145300 matches found
kernel: scsi: target: iscsi: Reserve a terminator byte for the login payload
A flaw was found in the Linux kernel's iSCSI target component. An unauthenticated remote attacker can exploit this vulnerability by sending a specially crafted login payload to an iSCSI portal configured for Challenge-Handshake Authentication Protocol CHAP. This can lead to an out-of-bounds read,...
Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel is now available for Red Hat Enterprise Linux 10. 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 t...
kernel: tipc: require net admin for TIPCv2 netlink mutators
A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC version 2 component. This vulnerability allows a local unprivileged attacker to bypass administrative permission checks when performing network link operations. Consequently, the attacker can modify critical TIPC...
kernel: KVM: nVMX: Always flush vpid02 on first use
A flaw was found in the Kernel-based Virtual Machine KVM subsystem. This vulnerability occurs when KVM reuses a Virtual Processor ID VPID without properly flushing Translation Lookaside Buffer TLB entries. A malicious guest virtual machine VM could potentially exploit this to access stale TLB...
kernel: smb: client: bound dirent name against end of SMB response in cifs_filldir
A flaw was found in the Linux kernel's SMB Server Message Block client subsystem. When a user lists files in a directory on a mounted share, a malicious SMB server can return a crafted directory entry with an oversized filename length. Because the client fails to verify that the filename remains...
kernel: xfrm: hold net_device reference under RCU in bundle creation
A flaw was found in the Linux kernel's IPsec XFRM networking subsystem. A race condition occurs when creating policy bundles while a network device is concurrently removed, leading to a use-after-free condition where the kernel accesses already-freed device memory. A local attacker can exploit th...
kernel: Kernel: Denial of Service in network socket error handling
A flaw was found in the kernel. A local user could trigger a system crash, leading to a Denial of Service DoS, due to improper handling of usercopy operations within the network socket error queue. This vulnerability arises when the kernel attempts to copy specific network buffer data to userspac...
kernel: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache
A flaw was found in the Linux kernel, specifically within the x86/CPU/AMD Zen2's op cache. This vulnerability arises from improper isolation of shared resources, which can lead to instruction corruption. The consequence of this flaw is that it may cause unexpected behavior or instability within t...
kernel: i2c: stub: Reject I2C block transfers with invalid length
A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...
kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period
A flaw was found in the Linux kernel's IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol TCP connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could explo...
kernel: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()
A flaw was found in the Linux kernel's NVMe over Fabrics NVMe-oF target authentication component. A remote attacker connecting to the NVMe target service can exploit this vulnerability by sending a crafted authentication request, causing a Denial of Service DoS through a system crash or potential...
kernel: Linux kernel: PPP over L2TP Use-After-Free vulnerability
A flaw was found in the Linux kernel's Point-to-Point Protocol PPP over L2TP Layer 2 Tunneling Protocol implementation. An unprivileged user can exploit a Use-After-Free UAF vulnerability, where the system attempts to use memory after it has been freed. This can lead to memory corruption,...
kernel: virtio-fs: avoid double-free on failed queue setup
A flaw was found in the Linux kernel's virtio-fs file system driver. When queue initialization fails—such as when a device advertises more request queues than supported—the driver fails to clear memory pointers after releasing them, resulting in a double-free condition during error cleanup. An...
kernel: KEYS: encrypted: fix integer overflow of datablob_len
A flaw was found in the Linux kernel's encrypted keys subsystem. An integer overflow occurs during memory size calculations for key data, resulting in an undersized buffer allocation. A local user can exploit this issue by supplying crafted key data to trigger an out-of-bounds write to kernel...
kernel: spi: fsl-lpspi: terminate the RX channel on TX prepare failure path
A flaw was found in the Linux kernel's fsl-lpspi driver. This vulnerability occurs when the transmit TX Direct Memory Access DMA channel fails to prepare, but the receive RX DMA channel continues to operate. This can lead to memory corruption or a use-after-free condition, potentially allowing an...
kernel: mptcp: pm: userspace: fix use-after-free in get_local_id
A flaw was found in the Linux kernel's Multipath TCP MPTCP subsystem. A race condition in the mptcppmuserspacegetlocalid function allows a memory address entry to be freed while still being referenced. A local attacker could exploit this use-after-free vulnerability, potentially leading to a syst...
kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE
A flaw was found in the Linux kernel's iSCSI target core. This use-after-free vulnerability occurs in the corescsi3emulateproregisterandmove function. When processing iSCSI TransportIDs, a memory buffer is prematurely unmapped while still being referenced, particularly when the parameter list spa...
kernel: tipc: require net admin for TIPCv2 netlink mutators
A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC version 2 component. This vulnerability allows a local unprivileged attacker to bypass administrative permission checks when performing network link operations. Consequently, the attacker can modify critical TIPC...
kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period
A flaw was found in the Linux kernel's IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol TCP connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could explo...
kernel: smb: client: bound dirent name against end of SMB response in cifs_filldir
A flaw was found in the Linux kernel's SMB Server Message Block client subsystem. When a user lists files in a directory on a mounted share, a malicious SMB server can return a crafted directory entry with an oversized filename length. Because the client fails to verify that the filename remains...
kernel: scsi: target: iscsi: Reserve a terminator byte for the login payload
A flaw was found in the Linux kernel's iSCSI target component. An unauthenticated remote attacker can exploit this vulnerability by sending a specially crafted login payload to an iSCSI portal configured for Challenge-Handshake Authentication Protocol CHAP. This can lead to an out-of-bounds read,...
kernel: xfrm: hold net_device reference under RCU in bundle creation
A flaw was found in the Linux kernel's IPsec XFRM networking subsystem. A race condition occurs when creating policy bundles while a network device is concurrently removed, leading to a use-after-free condition where the kernel accesses already-freed device memory. A local attacker can exploit th...
kernel: Bluetooth: mgmt: fix UAF in pair command cancellation
A flaw was found in the Linux kernel's Bluetooth management mgmt component. A race condition exists during the cancellation of a pairing command and the handling of pairing completion or authentication failure callbacks. This race condition can lead to a use-after-free vulnerability, which may...
kernel: packet: use consistent hard_header_len in non-ring send paths
An out-of-bounds write problem was observed in packetsendmsgspkt in net/packet/afpacket.c in the Linux Kernel. In this flaw, AFPACKET hardheaderlen race may allow local privilege escalation...
kernel: mptcp: options: reset DSS fields in case of unexpected size
A flaw was found in the Linux kernel's Multipath TCP mptcp implementation. A remote attacker could send specially crafted Data Sink Selection DSS options with an unexpected size. This could lead to data inconsistency or the access of uninitialized data, potentially resulting in information...
kernel: ipvs: clear the svc scheduler ptr early on edit
A flaw was found in the Linux kernel's IP Virtual Server IPVS component. During the ipvseditservice operation, the svc-scheduler pointer is cleared too late when unbinding an old scheduler. This improper handling allows packets to access previously freed scheduler data, leading to a use-after-fre...
kernel: sctp: stream: fully roll back denied add-stream state
A flaw was found in the Linux kernel's SCTP stream scheduler. When transient outgoing streams are denied and torn down, the kernel fails to reclaim scheduler-specific metadata before an algorithm switch e.g., WFQ to PRIO. The orphaned state - including internal accounting fields - becomes reachab...
kernel: ipv6: sit: reload inner IPv6 header after GSO offloads
A flaw was found in the Linux kernel's Simple Internet Transition SIT tunnel driver for IPv6. When processing network traffic with Generic Segmentation Offload GSO enabled, the driver may use a stale pointer to the inner IPv6 header after the socket buffer skb head has been reallocated. This can...
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A flaw was found in the Linux kernel. A race condition exists where a seccomp filter, intended to restrict system calls, can be bypassed by an unprivileged process. This occurs when a thread is stopped for tracing ptrace and another thread attempts to apply a seccomp filter with the...
kernel: virtio-fs: avoid double-free on failed queue setup
A flaw was found in the Linux kernel's virtio-fs file system driver. When queue initialization fails—such as when a device advertises more request queues than supported—the driver fails to clear memory pointers after releasing them, resulting in a double-free condition during error cleanup. An...
kernel: KVM: arm64: Transfer the hyp stack pages out of the host stage-2
A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine subsystem on ARM64 platforms. During system initialization in protected virtualization modes, the hypervisor fails to revoke host stage-2 access permissions for per-CPU hypervisor stack memory pages. A privileged local host c...
kernel: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()
A flaw was found in the Linux kernel's NVMe over Fabrics NVMe-oF target authentication component. A remote attacker connecting to the NVMe target service can exploit this vulnerability by sending a crafted authentication request, causing a Denial of Service DoS through a system crash or potential...
Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update
An update for kernel 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...
kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period
A flaw was found in the Linux kernel's IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol TCP connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could explo...
Critical: 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 Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...
kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period
A flaw was found in the Linux kernel's IPv4 networking subsystem. A race condition occurs during concurrent processing of retransmitted Transmission Control Protocol TCP connection requests or socket migrations, allowing socket options to be freed while still in use. A remote attacker could explo...
Critical: Red Hat Security Advisory: kernel-rt security update
An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...
openjdk: Enhance LDAP logins (Oracle CPU 2026-10)
A flaw was found in OpenJDK within the Java Authentication and Authorization Service JAAS component. An unauthenticated remote attacker can exploit this vulnerability over a network by sending data to affected application programming interfaces APIs. Successful exploitation results in information...
openjdk: Enhance XPath Expressions (Oracle CPU 2026-10)
A flaw was found in the Java API for XML Processing JAXP component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to applications or web services that rely on vulnerable JAXP APIs. Successful exploitation can result in...
openjdk: Enhance WebRowSets (Oracle CPU 2026-10)
A flaw was found in the Java Database Connectivity JDBC component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to exposed JDBC application programming interfaces APIs or by executing untrusted code. If successfully exploited...
openjdk: Enhance Kerberos validation (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Java Generic Security Services JGSS component. An unauthenticated remote attacker could exploit this vulnerability by enticing a user to execute untrusted code within a sandboxed Java environment. Successful exploitation results in unauthorized information disclosure...
openjdk: Enhance HTTP Client (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Networking component. An unauthenticated remote attacker with network access can exploit this vulnerability by sending crafted input to exposed networking Application Programming Interfaces APIs. Successful exploitation allows the attacker to perform unauthorized dat...
openjdk: Enhance Image Handling (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Abstract Window Toolkit AWT. A remote attacker with low privileges could exploit this vulnerability by convincing a user to run untrusted code within a sandboxed environment. Successful exploitation allows unauthorized read access to a subset of accessible data,...
openjdk: Enhance TLS handshakes (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Java Secure Socket Extension JSSE component. An unauthenticated remote attacker with network access via Transport Layer Security TLS can exploit this vulnerability to cause a partial Denial of Service DoS. This issue can be triggered when an application or web servic...
openjdk: Enhance font rendering (Oracle CPU 2026-10)
A flaw was found in OpenJDK's 2D component. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to exposed application programming interfaces APIs, such as through a web service or application that processes graphics data. A successful attack...
openjdk: Enhance GIF loading (Oracle CPU 2026-10)
A flaw was found in OpenJDK's ImageIO component. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted input to applications utilizing ImageIO APIs. Successful exploitation can result in a partial Denial of Service DoS, degrading application...
openjdk: Enhance HTTP server parsing (Oracle CPU 2026-10)
A flaw was found in the Networking component of OpenJDK. This vulnerability allows an unauthenticated remote attacker to cause unauthorized data modification by sending crafted input to exposed Application Programming Interfaces APIs, such as through web services. Successful exploitation enables ...
openjdk: Enhance krb5 tokens (Oracle CPU 2026-10)
A flaw was found in the Java Generic Security Services JGSS component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by submitting specially crafted requests to exposed application programming interfaces APIs, such as through a web service. A successful attack...
openjdk: Enhance krb5 client (Oracle CPU 2026-10)
A flaw was found in the JGSS Java Generic Security Services component of OpenJDK. An unauthenticated remote attacker could exploit this vulnerability by enticing a user to execute untrusted code in deployments relying on the Java sandbox. Successful exploitation can result in unauthorized access ...
openjdk: Enhance diagnostic sessions (Oracle CPU 2026-10)
A flaw was found in OpenJDK's Serviceability component. An unauthenticated attacker with local access to the host system can exploit this vulnerability with user interaction, such as by supplying crafted input to Serviceability application programming interfaces APIs. A successful attack can resu...