CVE-2025-21771

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

AZL-57902 CVE-2025-21745 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

DEBIAN-CVE-2025-21745

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

UBUNTU-CVE-2025-21771

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

UBUNTU-CVE-2025-21745

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

SUSE CVE-2022-49266

In the Linux kernel, the following vulnerability has been resolved: block: fix rq-qos breakage from skipping rqqosdonebio a647a524a467 "block: don't call rqqosops-donebio if the bio isn't tracked" made bioendio skip rqqosdonebio if BIOTRACKED is not set. While this fixed a potential oops, it also...

SUSE CVE-2022-49411

In the Linux kernel, the following vulnerability has been resolved: bfq: Make sure bfqg for which we are queueing requests is online Bios queued into BFQ IO scheduler can be associated with a cgroup that was already offlined. This may then cause insertion of this bfqgroup into a service tree. But...

SUSE CVE-2022-49413

In the Linux kernel, the following vulnerability has been resolved: bfq: Update cgroup information before merging bio When the process is migrated to a different cgroup or in case of writeback just starts submitting bios associated with a different cgroup bfqmergebio can operate with stale cgroup...

SUSE CVE-2022-49567

In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix uninit-value in mpolrebindpolicy mpolsetnodemaskmm/mempolicy.c does not set up nodemask when pol-mode is MPOLLOCAL. Check pol-mode before access pol-w.cpusetmemsallowed in mpolrebindpolicymm/mempolicy.c. BUG:...

SUSE CVE-2022-49647

In the Linux kernel, the following vulnerability has been resolved: cgroup: Use separate src/dst nodes when preloading csssets for migration Each cset cssset is pinned by its tasks. When we're moving tasks around across csets for a migration, we need to hold the source and destination csets to...

CVE-2025-21771 sched_ext: Fix incorrect autogroup migration detection

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

CVE-2025-21771

CVE-2025-21771 affects the Linux kernel sched_ext subsystem. It stems from incorrect autogroup migration detection in the cgroup/migration path where scx_move_task() could misclassify a non-root cgroup migration as autogroup root migration, triggering a warning. The fix changes the call path by a...

CVE-2025-21771 sched_ext: Fix incorrect autogroup migration detection

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix incorrect autogroup migration detection scxmovetask is called from schedmovetask and tells the BPF scheduler that cgroup migration is being committed. schedmovetask is used by both cgroup and autogroup migrations an...

AZL-58041 CVE-2024-57977 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...

AZL-58053 CVE-2024-57977 affecting package kernel for versions less than 6.6.82.1-1

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...

DEBIAN-CVE-2024-57977

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...

UBUNTU-CVE-2024-57977

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...

CVE-2025-21745 blk-cgroup: Fix class @block_class's subsystem refcount leakage

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix class @blockclass's subsystem refcount leakage blkcgfillrootiostats iterates over @blockclass's devices by classdeviterinit|next, but does not end iterating with classdeviterexit, so causes the class's subsystem...

CVE-2024-57977 memcg: fix soft lockup in the OOM process

In the Linux kernel, the following vulnerability has been resolved: memcg: fix soft lockup in the OOM process A soft lockup issue was found in the product with about 56,000 tasks were in the OOM cgroup, it was traversing them when the soft lockup was triggered. watchdog: BUG: soft lockup - CPU2...

CVE-2024-57977

CVE-2024-57977 is a Linux kernel vulnerability in memcg where the OOM task traversal could cause a soft lockup when thousands of processes reside in the OOM cgroup. The issue arises from scanning OOM tasks for each memory pressure event, delaying the watchdog handling. The documented fix adds a r...