114833 matches found
Important: Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base 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 availabl...
kernel: xfs: fix freemap adjustments when adding xattrs to leaf blocks
A flaw was found in the Linux kernel's XFS filesystem. When adding extended attributes xattrs, which are metadata associated with files, to leaf blocks, incorrect adjustments to the freemap can occur. This inconsistency allows the entries array and free space to overlap, leading to an assertion...
kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()
A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntrackh323 module. This vulnerability occurs in the DecodeQ931 function when processing a zero-length value from a packet. An integer underflow during a length calculation results in a large, incorrect value...
kernel: libceph: replace overzealous BUG_ON in osdmap_apply_incremental()
In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUGON in osdmapapplyincremental If the osdmap is maliciously corrupted such that the incremental osdmap epoch is different from what is expected, there is no need to BUG. Instead, just declare the...
kernel: libceph: make decode_pool() more resilient against corrupted osdmaps
In the Linux kernel, the following vulnerability has been resolved: libceph: make decodepool more resilient against corrupted osdmaps If the osdmap is maliciously corrupted such that the encoded length of cephpgpool envelope is less than what is expected for a particular encoding version,...
kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id
In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetrickeys - prevent overflow in asymmetrickeygenerateid Use checkaddoverflow to guard against potential integer overflows when adding the binary blob lengths and the size of an asymmetrickeyid structure and return...
kernel: ipv6: use RCU in ip6_output()
A use-after-free flaw was found in ip6finishoutput2 in net/ipv6/ip6output.c in ipv6 access. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...
kernel: netfilter: xt_tcpmss: check remaining length before reading optlen
A flaw was found in the Linux kernel, specifically within the netfilter: xttcpmss module. A remote attacker could exploit this vulnerability by sending a specially crafted TCP packet. The TCP option parser does not properly validate the remaining option length, which results in an out-of-bounds...
kernel: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count()
A use-after-free flaw was found in the Linux kernel's iSCSI target subsystem. In the iscsitdecconnusagecount function, complete is called while still holding the conn-connusagelock spinlock. The waiting thread such as iscsitcloseconnection may wake up immediately and free the iscsitconn structure...
kernel: libceph: prevent potential out-of-bounds reads in handle_auth_done()
In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handleauthdone Perform an explicit bounds check on payloadlen to avoid a possible out-of-bounds access in the callout. idryomov: changelog...
kernel: iommu: disable SVA when CONFIG_X86 is set
A security vulnerability was found in the Linux kernel's IOMMU Shared Virtual Addressing SVA implementation on x86 architecture. When SVA is enabled, the IOMMU caches kernel page table entries. Since the kernel lacks a mechanism to notify the IOMMU when kernel page table pages are freed and...
kernel: nbd: defer config unlock in nbd_genl_connect
In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...
kernel: net: use dst_dev_rcu() in sk_setup_caps()
In the Linux kernel, the following vulnerability has been resolved: net: use dstdevrcu in sksetupcaps Use RCU to protect accesses to dst-dev from sksetupcaps and skdstgsomaxsize. Also use dstdevrcu in ip6dstmtumaybeforward, and ipdstmtumaybeforward. ip4dsthoplimit can use dstdevnetrcu...
kernel: ipv6: use RCU in ip6_xmit()
A use-after-free flaw was found in ip6autoflowlabel in the Linux kernel's net/ipv6/ip6output.c code. In this flaw an attacker can cause a denial of service DoS attack...
kernel: netfilter: nf_tables: release flowtable after rcu grace period on error
A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...
kernel: Linux kernel: smb: client: reject userspace cifs.spnego descriptions
A privilege escalation vulnerability was found in the Linux kernel's CIFS client implementation. This could allow a local attacker to impersonate other users, bypass authentication in SMB mount operations, and potentially gain unauthorized access to network file shares or escalate privileges...
kernel: wifi: mac80211: remove station if connection prep fails
A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. When Multi-Link Operation MLO connection preparation fails, the system may not correctly remove the associated station. This can lead to a use-after-free or double-free vulnerability in the debugfs component, potentially causing...
kernel: netfilter: ctnetlink: ensure safe access to master conntrack
A flaw was found in the netfilter: ctnetlink component of the Linux kernel. This vulnerability occurs due to insufficient locking when accessing the master conntrack object, allowing it to become invalid while still being referenced. A local attacker could potentially exploit this race condition,...
kernel: wifi: brcmfmac: validate bsscfg indices in IF events
A flaw was found in the Linux kernel's brcmfmac Wi-Fi driver. This vulnerability occurs because the driver fails to properly validate bsscfg indices in interface IF events. An attacker could exploit this by sending a specially crafted IF event with an invalid bsscfg index, which could lead to an...
kernel: mm/page_alloc: clear page->private in free_pages_prepare()
A flaw was found in the Linux kernel's memory management subsystem. When pages are freed, the page-private field is not properly cleared. If these pages are later reallocated as high-order pages and split, the tail pages can retain stale page-private values. This can lead to a use-after-free...
Important: Red Hat Security Advisory: kernel-rt security update
An update for kernel-rt 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...
kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets
A flaw was found in the Linux kernel's netfilter component. This vulnerability occurs because the eui64mt6 function, which processes IPv6 packets, does not properly validate the MAC header for all packets. Specifically, packets with a zero fragment offset could bypass an existing guard, allowing...
kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL
A flaw was found in the Linux kernel's Stream Control Transmission Protocol SCTP implementation. A race condition exists in the SCTPSENDALL path where a cached list entry is not properly revalidated after the socket lock is temporarily released. This allows a local attacker or a remote attacker v...
Important: Red Hat Security Advisory: redhat-ds:11 security update
An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.5 E4S for RHEL 8. 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...
389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)
A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...
389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)
A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...
Important: Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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 availabl...
389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)
A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...
Important: Red Hat Security Advisory: 389-ds:1.4 security update
An update for the 389-ds:1.4 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabili...
Important: Red Hat Security Advisory: 389-ds-base security update
An update for 389-ds-base 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...
389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)
A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...
389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)
A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...
Important: Red Hat Security Advisory: redhat-ds:11 security update
An update for the redhat-ds:11 module is now available for Red Hat Directory Server 11.9 for RHEL 8. 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...
crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages
A flaw was found in the crypto/tls package within the Go golang standard library, specifically affecting TLS 1.3 connections. A remote attacker can exploit this vulnerability by sending multiple key update messages in a single record after the handshake. This can cause the connection to deadlock,...
Important: Red Hat Security Advisory: podman security update
An update for podman is now available for Red Hat Enterprise Linux 9. 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 each vulnerability from th...
crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain validation
A flaw was found in Go's crypto/x509 package. A remote attacker could exploit this by presenting a specially crafted certificate chain containing a large number of policy mappings. This inefficient validation process consumes excessive resources, which can lead to a denial of service DoS for...
crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain building
A flaw was found in the Go standard library packages crypto/x509 and crypto/tls. During the process of building a certificate chain, an attacker can provide a large number of intermediate certificates. This excessive input is not properly limited, leading to an uncontrolled amount of work being...
net/url: Incorrect parsing of IPv6 host literals in net/url
The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...
Important: Red Hat Security Advisory: podman security update
An update for podman is now available for Red Hat Enterprise Linux 9. 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 each vulnerability from th...
Important: Red Hat Security Advisory: Helm CLI v4.1.4 release
General availability release of Helm CLI v4.1.4. Helm is the package manager for Kubernetes, used to define, install, and upgrade applications as reusable charts. This release delivers the Helm v4.1.4 binaries built and distributed by Red Hat...
kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result
A flaw was found in the Linux kernel's Wi-Fi mac80211 subsystem. The ieee80211invokefastrx function uses a static variable for rxresult, which is shared across concurrent calls. This can lead to incorrect processing of Wi-Fi packets, where a packet might be mishandled or its status incorrectly...
kernel: netfilter: flowtable: strictly check for maximum number of actions
A flaw was found in the Netfilter flowtable component of the Linux kernel. This vulnerability occurs because the system does not strictly check the maximum number of hardware offload actions for IPv6, allowing it to process more actions than supported. This could potentially lead to system...
kernel: xen/privcmd: fix double free via VMA splitting
A flaw was found in the Linux kernel's xen/privcmd module. A local user could exploit this by performing a partial unmapping of a privcmd memory region. This action causes a Virtual Memory Area VMA to split, leading to duplicated internal memory pointers. As a result, the same memory can be freed...
kernel: mptcp: fix slab-use-after-free in __inet_lookup_established
A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. Due to incorrect memory allocation for IPv6 subflow child sockets, a use-after-free vulnerability exists. A remote attacker could exploit this by triggering concurrent lookups in the kernel's hash table, potentially leadin...
kernel: Buffer overflow in drivers/xen/sys-hypervisor.c
A flaw was found in the Linux kernel. A buffer overflow vulnerability exists in the Xen hypervisor driver drivers/xen/sys-hypervisor.c. This flaw occurs because the HYPERVISORxenversionXENVERbuildid function returns a build ID that is not properly null-terminated. When the buildidshow function...
kernel: wifi: mac80211: remove station if connection prep fails
A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. When Multi-Link Operation MLO connection preparation fails, the system may not correctly remove the associated station. This can lead to a use-after-free or double-free vulnerability in the debugfs component, potentially causing...
kernel: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
A flaw was found in the Linux kernel's Bluetooth subsystem. This vulnerability, a Use-After-Free UAF, exists within the Secure Simple Pairing SSP passkey handlers. It occurs when hciconn lookup and field access are performed without proper locking, allowing a connection to be freed concurrently...
kernel: wifi: brcmfmac: validate bsscfg indices in IF events
A flaw was found in the Linux kernel's brcmfmac Wi-Fi driver. This vulnerability occurs because the driver fails to properly validate bsscfg indices in interface IF events. An attacker could exploit this by sending a specially crafted IF event with an invalid bsscfg index, which could lead to an...
Important: Red Hat Security Advisory: kernel security update
An update for kernel is now available for Red Hat Enterprise Linux 8. 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 each vulnerability from th...
kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result
A flaw was found in the Linux kernel's Wi-Fi mac80211 subsystem. The ieee80211invokefastrx function uses a static variable for rxresult, which is shared across concurrent calls. This can lead to incorrect processing of Wi-Fi packets, where a packet might be mishandled or its status incorrectly...