131702 matches found
kernel: mm/khugepaged: write all dirty file folios when collapsing
A flaw was found in the Linux kernel's memory management mm/khugepaged component. A local user could trigger an edge case where unsaved changes to file data dirty folios are improperly discarded. This occurs when a file with previous writes is subjected to a specific sequence of memory advice...
kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()
In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...
kernel: netfilter: nf_tables: Fix for duplicate device in netdev hooks
A flaw was found in the Linux kernel's netfilter nftables component. This vulnerability allows for duplicate device registration when handling network device registration notifications. Such duplicate registrations can lead to unexpected system behavior or instability...
kernel: seccomp: passthrough uretprobe systemcall without filtering
A flaw was found in the Linux kernel. This vulnerability occurs when uretprobes, a debugging feature that monitors function returns in user-space programs, are used. The kernel's seccomp secure computing mode mechanism, which restricts system calls a program can make, incorrectly blocks the...
kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC
A flaw was found in the Linux kernel's NFSv4 implementation. A local user could exploit a vulnerability where opening a file with OTRUNC truncate and ORDONLY read-only flags would bypass the necessary write permission checks. This oversight allows an attacker to truncate a file without having...
kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count
A flaw was found in the Linux kernel's synaptics-rmi4 input driver. The rmif3amapgpios function incorrectly allocates memory for the gpiokeymap, making it smaller than required. This allows a device reporting a specific gpiocount value to trigger an out-of-bounds read, leading to information...
kernel: netfilter: ipset: fix race between dump and ip_set_list resize
A flaw was found in the Linux kernel's netfilter ipset component. A race condition exists between the ipsetlist resize operation and dump operations. This can lead to a use-after-free vulnerability, where memory is accessed after it has been deallocated. A successful exploitation of this flaw cou...
kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access
A flaw was found in the Linux kernel's mana network driver. In Confidential Virtual Machines VMs, a missing bounds check when processing network events can allow a malicious hardware component or a compromised VM to write data outside of an intended memory region. This out-of-bounds access could...
kernel: nfsd: release layout stid on setlease failure
A flaw was found in the Linux kernel's Network File System Daemon nfsd. When a setlease operation fails, the system prematurely releases a layout state identifier. An attacker could exploit this by triggering the failure, leading to a use-after-free vulnerability. This could result in a system...
kernel: NFSv4/flexfiles: reject zero filehandle version count
A flaw was found in the Linux kernel's NFSv4 Network File System version 4 flexfiles component. This vulnerability occurs when the fflayoutalloclseg function processes a malformed flexfiles layout that specifies a zero filehandle version count. An attacker could exploit this by providing a...
kernel: mm: shrinker: fix shrinker_info teardown race with expansion
A flaw was found in the Linux kernel's memory management mm shrinker subsystem. A race condition exists where the shrinkerinfo array can be prematurely freed while still accessible, leading to a use-after-free or double-free vulnerability. This memory corruption can be exploited by a local attack...
kernel: smb: client: fix change notify replay double-free
A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability occurs due to a double-free error when handling change notify replies. If a response attempt returns a replayable error and frees its buffer, and then SMB2notifyinit fails, the same buffer can be freed agai...
kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info()
A flaw was found in the Linux kernel's ioti USB serial driver. A malicious USB device, when plugged into a host running this driver, can exploit a heap overflow vulnerability in the getmanufinfo function. This occurs because the driver does not properly validate the size of data read from the...
kernel: ALSA: virtio: Validate control metadata from the device
A flaw was found in the Linux kernel's ALSA virtio sound driver. A malicious or buggy virtio device can provide invalid control metadata, such as an unknown control type or an oversized value count. The driver's control handling trusts this unvalidated metadata, leading to out-of-bounds access wh...
kernel: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked()
A flaw was found in the Linux kernel's Server Message Block SMB client. A missing lock around the tccount increment in the smb2findsmbsesstconunlocked function creates a race condition. This vulnerability, caused by an incomplete refactoring of locking mechanisms, could lead to unexpected behavio...
kernel: Linux kernel: Arbitrary code execution via userfaultfd shadow stack manipulation
A flaw was found in the Linux kernel's userfaultfd mechanism. A local attacker with userfaultfd access could register on shadow stack Virtual Memory Areas VMAs. By discarding a page and injecting a page with chosen return addresses, an attacker could achieve arbitrary code execution. This...
kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()
A flaw was found in the Linux kernel's nfnetlinkcthelper component. This vulnerability, an out-of-bounds read, occurs in the nfnlcthelperdumptable function when a network connection tracking helper is removed during a dump operation, leading to a bypassed bounds check. A local attacker could...
kernel: iommu/amd: Fix clone_alias() to use the original device's devid
A flaw was found in the Linux kernel's IOMMU Input/Output Memory Management Unit AMD driver. The clonealias function incorrectly uses the device ID devid when handling alias devices. This can lead to the propagation of wrong or stale Device Table Entry DTE entries to alias devices, potentially...
kernel: nvmet-auth: reject short AUTH_RECEIVE buffers
A flaw was found in the nvmet-auth component of the Linux kernel. A remote attacker, by sending a specially crafted AUTHRECEIVE buffer to an NVMe-oF NVM Express over Fabrics target with in-band authentication enabled, can trigger a heap out-of-bounds write. This vulnerability arises because the...
kernel: locking/rt: Fix the incorrect RCU protection in rt_spin_unlock()
A flaw was found in the Linux kernel. The rtspinunlock function, and similar real-time RT locking mechanisms, incorrectly release Read-Copy-Update RCU protection before fully unlocking, leading to a Use-After-Free UAF vulnerability. This issue could allow a local attacker to potentially cause a...
kernel: crypto: qat - fix VF2PF work teardown race in adf_disable_sriov()
A flaw was found in the Linux kernel's crypto QAT QuickAssist Technology module. A race condition exists during the teardown of Virtual Function to Physical Function VF2PF work in the adfdisablesriov function. This allows a concurrently scheduled or already queued worker to attempt to access memo...
kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
A flaw was found in the Linux kernel's NFSv4/pNFS implementation. The nfs4decodempdsaddr function, responsible for decoding network address information, does not properly handle zero-length raddr opaque data. A malicious or compromised metadata server can exploit this by providing a zero-length...
Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.31 bug fix and security update
Red Hat OpenShift Container Platform release 4.21.31 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a...
tar: tar: TOCTOU in incremental dumpdir 'X' rename handling allows restore path escape
A TOCTOU Time-of-Check Time-of-Use vulnerability in GNU tar's incremental dumpdir 'X' rename handling allows a local attacker with write access to a directory being backed up to influence the restore process if the attacker has access to the system where the restore is being performed. During...
tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite
A flaw was found in GNU tar. When extracting an archive with the --one-top-level option, hardlink targets are not confined to the designated top-level directory and may resolve relative to the extraction working directory. A crafted archive can create hardlinks that escape the intended boundary...
Moderate: Red Hat Security Advisory: tar security, bug fix, and enhancement update
An update for tar is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the C...
tar: tar: Hidden file injection via crafted archives
A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files...
Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.31 security and extras update
Red Hat OpenShift Container Platform release 4.21.31 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat OpenShift Container Platform 4.21. Red Hat Product Security has rated this update as having a security impact of...
net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service
A flaw was found in the net/http component of the Go standard library. When a server is configured to support unencrypted HTTP/2, it reads initial bytes from new connections to detect the HTTP/2 client preface. However, the ReadHeaderTimeout is not correctly applied during this process. This...
mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header
A flaw was found in the Golang MIME Multipurpose Internet Mail Extensions package. A remote attacker could exploit this vulnerability by sending a maliciously-crafted MIME header containing many invalid encoded-words. This could lead to excessive CPU consumption, resulting in a Denial of Service...
encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal
A flaw was found in the encoding/asn1 package in Go. An attacker could provide a specially crafted, deeply-nested Abstract Syntax Notation One ASN.1 structure, leading to excessive recursion during the Unmarshal operation. This could result in stack exhaustion and a Denial of Service DoS conditio...
net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution
A flaw was found in net/url, a component of golang. This vulnerability arises when resolving relative paths that contain numerous parent directory '..' segments. A remote attacker could exploit this by providing a specially crafted path, leading to quadratic time complexity and excessive memory...
encoding/xml: golang: Go: Denial of Service via XML decoding recursion depth issue
A flaw was found in the encoding/xml package of Go. The DecodeElement function failed to correctly track recursion depth, which could lead to stack exhaustion. A remote attacker could exploit this vulnerability by providing a specially crafted XML input, resulting in a Denial of Service DoS for t...
crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages
A flaw was found in the crypto/tls package, part of golang. A malicious client can exploit this vulnerability by continuously sending KeyUpdate messages to a server. This forces the server to perform indefinite key derivation operations, leading to resource exhaustion and a Denial of Service DoS...
Important: Red Hat Security Advisory: golang security update
An update for golang is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...
html/template: golang: Go html/template: Cross-Site Scripting via pathological input
A flaw was found in the html/template component of Go golang. Pathological inputs could prematurely close an unescaped forward slash '/', allowing an attacker to inject arbitrary content. This could lead to Cross-Site Scripting XSS, where malicious scripts are executed in a user's browser,...
valkey: Valkey: Denial of Service via double free in Module Timer subsystem
A flaw was found in valkey-io valkey. A remote attacker could exploit a double free vulnerability in the moduleTimerHandler function within the Module Timer subsystem src/module.c. This flaw could lead to a denial of service...
valkey: Valkey: Remote code execution via use-after-free in stream deserialization
A flaw was found in Valkey, a distributed key-value database. A remote attacker could exploit a use-after-free vulnerability in the RESTORE command. This occurs when a malformed data stream is processed during stream deserialization, causing a shared resource to be improperly managed. If...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: valkey: valkey-9.0.6-0.1.hum1 aarch64, x8664 valkey-compat-redis-9.0.6-0.1.hum1 noarch valkey-compat-redis-devel-9.0.6-0.1.hum1 noarch valkey-devel-9.0.6-0.1.hum1 aarch64, x8664...
valkey: Valkey: Remote code execution via TLS pending-data processing use-after-free
A flaw was found in Valkey. An authenticated client can trigger a CLIENT KILL command while the tlsProcessPendingData function iterates a pending list. This action causes connTLSClose to delete the iterator's cached next node, leading to a use-after-free vulnerability. This flaw, when Transport...
valkey: Valkey: Use-after-free vulnerability in Blocked-on-keys subsystem
A flaw was found in Valkey. A use-after-free vulnerability exists within the handleClientsBlockedOnKey function of the Blocked-on-keys Subsystem. A remote attacker could exploit this flaw, leading to a denial of service. The complexity of exploiting this vulnerability is high...
net/http/internal/http2: golang: golang.org/x/net: Go HTTP/2: Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame
A flaw was found in the HTTP/2 protocol implementation within the Go standard library golang.org/x/net and net/http/internal/http2. A remote attacker can exploit this vulnerability by sending a specially crafted HTTP/2 SETTINGS frame with the SETTINGSMAXFRAMESIZE parameter set to zero. This...
Important: Red Hat Security Advisory: Red Hat build of MicroShift 4.21.31 security update
Red Hat build of MicroShift release 4.21.31 is now available with updates to packages and images that include a security update. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...
Important: Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
A Subscription Management tool for finding and reporting Red Hat product usage Red Hat Discovery, also known as Discovery, is an inspection and reporting tool that finds, identifies, and reports environment data, or facts, such as the number of physical and virtual systems on a network, their...
libreswan: badly formatted X.509 certificate can cause an assertion failure that crashes the daemon process
A flaw was found in Libreswan. An unauthenticated remote attacker can send a specially crafted X.509 certificate payload during an IKEv1 or IKEv2 exchange. This flaw occurs when Libreswan is operating in FIPS Federal Information Processing Standards mode and processing a certificate with an inval...
librenswan: IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload
A flaw was found in Libreswan's implementation of IKEv1 authentication via raw RSA signatures. When processing an IKEv1 packet using PKCS 1 v1.5 RSA encryption, the RSAauthenticatehashsignaturerawrsa function fails to properly validate the length of the authentication hash. A remote,...
Important: Red Hat Security Advisory: libreswan security update
An update for libreswan is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...
librenswan: IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload
A flaw was found in Libreswan's implementation of IKEv2 authentication when processing signatures utilizing the RSASSA-PKCS1-v15 scheme. The RSAauthenticatehashsignaturepkcs115rsa function does not correctly validate the DER encoding of the ASN.1 digest. A remote, unauthenticated attacker could...
librenswan: IKEv2 Denial of Service via malformed fragmentation
A flaw was found in Libreswan's IKEv2 fragment reassembly mechanism. When a VPN gateway processes incoming split network packets fragments containing unexpected data, an off-by-one boundary validation error triggers an internal program safety check assertion failure. A remote, unauthenticated...
Important: Red Hat Security Advisory: Red Hat OpenShift for Windows Containers 10.21.2 product release
The components for Red Hat OpenShift for Windows Containers 10.21.2 are now available Red Hat OpenShift for Windows Containers allows you to deploy Windows container workloads running on Windows Server containers...