Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to avoid the use of f2fsbugon in decvalidnodecount. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215897 I have encountered a bug in the F2FS file system in the kernel version...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Allow ext4getgroupinfo to fail. Previously, ext4getgroupinfo would treat an invalid group number as a BUG, since this should never happen in theory. However, if a malicious attacker modifies the superblock via the block...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed the issue with copylinklist updates when the “copyTracemarker” option is enabled for an instance. When this option is enabled, any data written to /sys/kernel/tracing/tracemarker is also copied into the buffer o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: fixed the NFSv4.2 kernel bug at mm/usercopy.c:102 Calling listxattr with a buffer size of 0 returns the actual size of the buffer required for a subsequent call. When size 0, nfs4listxattr does not return an error becaus...

SUSE-RU-2026:21753-1 Recommended update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix one issue The following non security issue was fixed: - CVE-2026-46333: Fixed logic bug in the Linux kernel's ptracemayaccess function bsc1265308...

SUSE CVE-2026-43169

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Prevent BUGON by validating rounded allocation When DRMBUDDYCONTIGUOUSALLOCATION is set, the requested size is rounded up to the next power-of-two via rounduppowoftwo. Similarly, for non-contiguous allocations with lar...

CVE-2026-43094

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: add missing negotiatefeatures op to Hyper-V ops table Commit a7075f501bd3 "ixgbevf: fix mailbox API compatibility by negotiating supported features" added the .negotiatefeatures callback to ixgbemacoperations and populat...

EUVD-2026-27363

In the Linux kernel, the following vulnerability has been resolved: ext4: always drain queued discard work in ext4mbrelease While reviewing recent ext4 patch1, Sashiko raised the following concern2: If the filesystem is initially mounted with the discard option, deleting files will populate...

CVE-2026-31702

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix use-after-free of sbi in f2fscompresswriteendio In f2fscompresswriteendio, decpagecountsbi, type can bring the F2FSWBCPDATA counter to zero, unblocking f2fswaitonallpages in f2fsputsuper on a concurrent unmount CPU. The...

CVE-2026-31438

CVE-2026-31438 affects the Linux kernel netfs code. A BUG occurs in netfs_limit_iter() when processing ITER_KVEC iterators (e.g., during core-dump to 9P), because ITER_KVEC is not dispatched like other supported types. The fix adds netfs_limit_kvec() (paralleling netfs_limit_bvec()) and dispatche...

EUVD-2026-18774

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31399 nvdimm/bus: Fix potential use after free in asynchronous initialization

In the Linux kernel, the following vulnerability has been resolved: nvdimm/bus: Fix potential use after free in asynchronous initialization Dingisoul with KASAN reports a use after free if deviceadd fails in ndasyncdeviceregister. Commit b6eae0f61db2 "libnvdimm: Hold reference on parent while...

CVE-2026-23200

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix ECMP sibling count mismatch when clearing RTFADDRCONF syzbot reported a kernel BUG in fib6addrt2node when adding an IPv6 route. 0 Commit f72514b3c569 "ipv6: clear RA flags when adding a static route" introduced logic to...

CVE-2026-23157 btrfs: do not strictly require dirty metadata threshold for metadata writepages

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not strictly require dirty metadata threshold for metadata writepages BUG There is an internal report that over 1000 processes are waiting at the ioscheduletimeout of balancedirtypages, causing a system hang and trigger...

RHBA-2025:6279 Red Hat Bug Fix Advisory: kernel bug fix and enhancement update

Bulletin has no description...

UBUNTU-CVE-2026-23104

In the Linux kernel, the following vulnerability has been resolved: ice: fix devlink reload call trace Commit 4da71a77fc3b "ice: read internal temperature sensor" introduced internal temperature sensor reading via HWMON. icehwmoninit was added to iceinitfeature and icehwmonexit was added to...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005063)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005063 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a...

UBUNTU-CVE-2025-68769

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix return value of f2fsrecoverfsyncdata With below scripts, it will trigger panic in f2fs: mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsync /mnt/f2fs/foo f2fsio...

CVE-2025-71096

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Check for the presence of LSNLATYPEDGID correctly The netlink response for RDMANLLSOPIPRESOLVE should always have a LSNLATYPEDGID attribute, it is invalid if it does not. Use the nl parsing logic properly and call...

CVE-2025-68796

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating zero-sized extent in extent cache As syzbot reported: F2FS-fs loop0: updateextenttreerange: extent len is zero, type: 0, extent 0, 0, 0, age 0, 0 ------------ cut here ------------ kernel BUG at...