UBUNTU-CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46194

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix nodecnt race between extent node destroy and writeback f2fsdestroyextentnode does not set FINOEXTENT before clearing extent nodes. When called from f2fsdropinode with ISYNC set, concurrent kworker writeback can insert n...

CVE-2026-46194

The CVE-2026-46194 issue concerns the Linux kernel F2FS filesystem. A race in f2fs_destroy_extent_node allowed concurrent writeback to insert extent nodes before FI_NO_EXTENT is set, potentially leaving node_cnt non-zero and triggering a bug. The fixes add FI_NO_EXTENT protection under et->loc...

PT-2026-44317

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix node cnt race between extent node destroy and writeback f2fs destroy extent node does not set FI NO EXTENT before clearing extent nodes. When called from f2fs drop inode with I SYNC set, concurrent kworker writeback can...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: mm: zswap: fix missing folio cleanup in writeback race path In zswapwritebackentry, after obtaining a folio from readswapcacheasync, we reacquire the tree lock to ensure that the swap entry was not invalidated or recycled. If it...

Oracle Linux 7 : kernel (ELSA-2026-1581)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-1581 advisory. - e1000e: fix heap overflow in e1000seteeprom CVE-2025-39898 Orabug: 38904071 - i40e: fix idx validation in config queues msg CVE-2025-39971 Orabug:...

EUVD-2026-9406

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fswriteendio As syzbot reported an use-after-free issue in f2fswriteendio. It is caused by below race condition: loop device umount - workerthread - loopprocesswork - doreqfilebacked - lorwaio -...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

AZL-74387 CVE-2025-68772 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

Linux Distros Unpatched Vulnerability : CVE-2025-68772

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0...

K000159018: Linux kernel vulnerability CVE-2023-53178

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to ...

AlmaLinux 8 : kernel (ALSA-2025:19931)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:19931 advisory. kernel: x86/vmscape: Add conditional IBPB mitigation CVE-2025-40300 kernel: mm: fix zswap writeback race condition CVE-2023-53178 kernel: fs: fix UAF/GPF...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: mm: fix zswap writeback race condition

In the Linux kernel, the following vulnerability has been resolved: mm: fix zswap writeback race condition The zswap writeback mechanism can cause a race condition resulting in memory corruption, where a swapped out page gets swapped in with data that was written to a different page. The race...

CVE-2025-40054

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF issue in f2fsmergepagebio As JY reported in bugzilla 1, Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 pc : 0xffffffe51d249484 f2fsiscpguaranteed+0x70/0x98 lr : 0xffffffe51d24ad...

UBUNTU-CVE-2025-40054

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF issue in f2fsmergepagebio As JY reported in bugzilla 1, Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 pc : 0xffffffe51d249484 f2fsiscpguaranteed+0x70/0x98 lr : 0xffffffe51d24ad...

CVE-2025-40054

Linux kernel CVE-2025-40054 fixes a UAF in f2fs_merge_page_bio that could lead to a NULL pointer dereference under heavy writeback. The issue arises from a race between committing a page into the internal IPU cache and subsequent access to fio->encrypted_page, as described in the bug report an...

SUSE-SU-2025:3716-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. - CVE-2022-50233: Bluetooth: eir: Fix using strlen with hdev-devname,shortname...