Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an RCU usage warning during mptcp socket creation. No details of the vulnerability are provided at this time...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a suspicious RCU usage warning in the iptunnelfind function...

PT-2024-35663

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.0-rc3+ Description A vulnerability in the Linux kernel has been resolved, specifically in the nfsd module. The issue arises when the last reference for cache head is reduced to zero in c show and e show usin...

kernel: rcu: dump vmalloc memory info safely

A flaw was found in the Read-Copy-Update RCU core of the Linux kernel related to how memory information for vmalloc-allocated objects is dumped. Under certain sequences, calling callrcu may lead to the invocation of vmallocdumpobj while holding the vmaparealock spinlock in an interrupt context...

kernel: rcutorture: Fix ksoftirqd boosting timing and iteration

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fix ksoftirqd boosting timing and iteration The RCU priority boosting can fail in two situations: 1 If nrcpus= maxcpus=, which means if the total number of CPUs is higher than those brought online at boot, then...

kernel: net/sched: fix lockdep splat in qdisc_tree_reduce_backlog()

CVE-2024-35892 is a vulnerability in the Linux kernel’s network scheduler caused by improper use of the qdisclookup function. This function assumes the global RTNL lock is held, but in the qdisctreereducebacklog function, only a local queue lock is used. This mismatch creates a race condition tha...

mac802154: Fix potential RCU dereference issue in mac802154_scan_worker

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rcu/nocb: Fix rcuog wake-up from offline softirq

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wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param

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SUSE CVE-2024-50126

In the Linux kernel, the following vulnerability has been resolved: net: sched: use RCU read-side critical section in tapriodump Fix possible use-after-free in 'tapriodump' by adding RCU read-side critical section there. Never seen on x86 but found on a KASAN-enabled arm64 system when investigati...

SUSE CVE-2024-50127

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in tapriochange In 'tapriochange', 'admin' pointer may become dangling due to sched switch / removal caused by 'advancesched', and critical section protected by 'q-currententrylock' is too small to...

DEBIAN-CVE-2024-50126

In the Linux kernel, the following vulnerability has been resolved: net: sched: use RCU read-side critical section in tapriodump Fix possible use-after-free in 'tapriodump' by adding RCU read-side critical section there. Never seen on x86 but found on a KASAN-enabled arm64 system when investigati...

DEBIAN-CVE-2024-50127

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix use-after-free in tapriochange In 'tapriochange', 'admin' pointer may become dangling due to sched switch / removal caused by 'advancesched', and critical section protected by 'q-currententrylock' is too small to...

SUSE CVE-2024-49980

In the Linux kernel, the following vulnerability has been resolved: vrf: revert "vrf: Remove unnecessary RCU-bh critical section" This reverts commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853. devqueuexmitnit is expected to be called with BH disabled. devqueuexmit has the following: / Disable soft...

PT-2024-34129

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.12.0-rc3-custom-gd95d9a31aceb Description: The issue is related to a suspicious RCU usage warning in the ip tunnel find function. The per-netns IP tunnel hash table is protected by the RTNL mutex, and ip tunne...

SUSE CVE-2024-50005

In the Linux kernel, the following vulnerability has been resolved: mac802154: Fix potential RCU dereference issue in mac802154scanworker In the mac802154scanworker function, the scanreq-type field was accessed after the RCU read-side critical section was unlocked. According to RCU usage rules,...

UBUNTU-CVE-2024-50005

In the Linux kernel, the following vulnerability has been resolved: mac802154: Fix potential RCU dereference issue in mac802154scanworker In the mac802154scanworker function, the scanreq-type field was accessed after the RCU read-side critical section was unlocked. According to RCU usage rules,...

DEBIAN-CVE-2024-49980

In the Linux kernel, the following vulnerability has been resolved: vrf: revert "vrf: Remove unnecessary RCU-bh critical section" This reverts commit 504fc6f4f7f681d2a03aa5f68aad549d90eab853. devqueuexmitnit is expected to be called with BH disabled. devqueuexmit has the following: / Disable soft...

DEBIAN-CVE-2024-49936

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: prevent UAF in xenvifflushhash During the listforeachentryrcu iteration call of xenvifflushhash, kfreercu does not exist inside the rcu read critical section, so if kfreercu is called when the rcu grace period en...

SUSE CVE-2024-47712

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilcparsejoinbssparam In the wilcparsejoinbssparam function, the TSF field of the ies structure is accessed after the RCU read-side critical section is unlocked. According to...