CVE-2024-50095

CVE-2024-50095 affects the Linux kernel RDMA mad path. The root cause was heavy locking contention in the timeout handler for timed-out WRs in mad_agent_priv, as the current timeout handler acquired and released the lock for every timed-out work request, which could cause softlockups (notably whe...

CVE-2024-50095 RDMA/mad: Improve handling of timed out WRs of mad agent

In the Linux kernel, the following vulnerability has been resolved: RDMA/mad: Improve handling of timed out WRs of mad agent Current timeout handler of mad agent acquires/releases madagentpriv lock for every timed out WRs. This causes heavy locking contention when higher no. of WRs are to be...

CVE-2024-47660

CVE-2024-47660 : Linux kernel fsnotify race causing lock contention. When removing watches on a directory with many dentries, __fsnotify_update_child_dentry_flags() races with __fsnotify_parent() on children, risking softlockup reports. The fix, per the bulletin, is to set PARENT_WATCHED only whe...

CVE-2024-47660

In the Linux kernel, the following vulnerability has been resolved: fsnotify: clear PARENTWATCHED flags lazily In some setups directories can have many usually negative dentries. Hence fsnotifyupdatechilddentryflags function can take a significant amount of time. Since the bulk of this function...

CVE-2024-42114

A vulnerability was found in the cfg80211 component in the Linux kernel, where a lack of proper range validation applied to the NL80211ATTRTXQQUANTUM can lead to a scenario where the userspace passes an extremely high value that the kernel is not designed to handle efficiently ex. 2^31. This can...

CVE-2024-42114 wifi: cfg80211: restrict NL80211_ATTR_TXQ_QUANTUM values

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: restrict NL80211ATTRTXQQUANTUM values syzbot is able to trigger softlockups, setting NL80211ATTRTXQQUANTUM to 2^31. We had a similar issue in schfq, fixed with commit d9e15a273306 "pktsched: fq: do not accept sill...

CVE-2024-38598

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

CVE-2024-38598

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

CVE-2024-38598

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

CVE-2024-38598 md: fix resync softlockup when bitmap size is less than array size

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

CVE-2024-38598

CVE-2024-38598 — Linux kernel (md/raid10) softlockup during resync Technical details from the provided documents indicate that the issue arises in the md bitmap synchronization path for raid10 during lvextend/lvchange --syncaction, leading to a soft lockup (CPU 3) due to a logic error in md_bitma...

CVE-2024-38598 md: fix resync softlockup when bitmap size is less than array size

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

CVE-2024-38598

In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup: kernel:watchdog: BUG: soft lockup - CPU3 stuck for 26s!...

kernel: tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...

CVE-2021-47185

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...

CVE-2021-47185

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...

CVE-2021-47185

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...

CVE-2021-47185

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...

CVE-2021-47185

CVE-2021-47185 is addressed by a Linux kernel fix for a soft lockup in tty_buffer/flush_to_ldisc. In ARM64 when running the ltp pty04 test, a write race between a sender and the flush_to_ldisc workqueue on different cores could cause a long loop and a softlockup in flush_to_ldisc. The patch adds ...

CVE-2021-47185 tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fix the softlockup issue in flushtoldisc When running ltp testcaseltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup, which look like this one: Workqueue: eventsunbound flushtoldisc Call trace:...