Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: prevents corruption of pcp with SMP=n. The kernel test robot has reported the following issue: BUG: spinlock trylock failure on UP on CPU0, kcompactd0/28 Lock: 0xffff888807e35ef0, .magic: dead4ead, .owner:...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm: vmscan: removed deadlock caused by throttling failing to progress. A soft lockup bug in kcompactd was reported in a private bugzilla. The following messages were observed in dmesg: watchdog: BUG: soft lockup – CPU33 stuck...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFS: fixed nfsreleasefolio to prevent deadlock via kcompactd writeback. Added the PFKCOMPACTD flag and the currentiskcompactd helper to check for it, so that nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwis...

UBUNTU-CVE-2026-23025

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: prevent pcp corruption with SMP=n The kernel test robot has reported: BUG: spinlock trylock failure on UP on CPU0, kcompactd0/28 lock: 0xffff888807e35ef0, .magic: dead4ead, .owner: kcompactd0/28, .ownercpu: 0 CPU: 0...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21908)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21908 advisory. - In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock...

PT-2026-5528

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.18.0-rc5-00127-ga06157804399 Description The Linux kernel contains a flaw in the mm/page alloc subsystem that can lead to corruption of the per-cpu pages pcp structure when SMP Symmetric Multi-Processing is...

EUVD-2025-9413

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2025-21908

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip...

NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

...

Vulnerability of functions kcompactd() (mm/compaction.c) and nfs_release_folio() (fs/nfs/file.c) in the Linux operating system, allowing a hacker to trigger a service failure

The vulnerability of the functions kcompactd mm/compaction.c and nfsreleasefolio fs/nfs/file.c in the Linux kernel is related to improper locking mechanisms. Exploiting this vulnerability could allow an attacker to cause service failures...

SUSE CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

AZL-60352 CVE-2025-21908 affecting package kernel for versions less than 6.6.85.1-2

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

DEBIAN-CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

UBUNTU-CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908

CVE-2025-21908 concerns the Linux kernel NFS subsystem. The issue arises when nfs_release_folio() can deadlock during writeback initiated by kcompactd, triggering a recursive path through NFS and the NFSD loopback on the same host. The patch adds PF_KCOMPACTD and a current_is_kcompactd() helper t...

CVE-2025-21908 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...