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...

EUVD-2026-26511

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-2026-31702 f2fs: fix use-after-free of sbi in f2fs_compress_write_end_io()

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...

CLSA-2026-1777637310 Fix of 13 CVEs

CVE-2026-31431 - crypto: authencesn - reject too-short AAD assoclen8 to match ESP/ESN spec CVE-2026-31431 - crypto: scatterwalk - Backport memcpysglist CVE-2026-31431 - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption CVE-2026-31431 - crypto: authencesn - Fix src...

PT-2026-36345

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free condition exists in the f2fs component of the Linux kernel. The issue occurs in the f2fs write end io function when sbi-nr pagesF2FS WB CP DATA is decremented to zero...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper order of calls to decpagecount in f2fscompresswriteendio. This could lead to accessi...

PT-2026-36332

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the f2fs compress write end io function. The dec page countsbi, type function can reduce the F2FS WB CP DATA counter to zero, which may unblock f2fs wait...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-014303)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014303 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-014301)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014301 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fstrylockop in f2fswritecompressedpages to avoid...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013870)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013870 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fstrylockop in f2fswritecompressedpages to avoid...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013561)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013561 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on summary info As Wenqing Liu reported in bugzilla:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010968)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010968 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fsmoveinlinedirents When converting an inline directory to a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013178)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013178 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to drop all dirty pages during umount if cperror is set xfstest generic/361 reports a...

USN-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007495)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007495 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid UAF in f2fssyncinodemeta syzbot reported an UAF issue as below: 1 2 1...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007386)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007386 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix information leak in f2fsmoveinlinedirents When converting an inline directory to a...

USN-8179-1 linux, linux-aws, linux-aws-6.8, linux-gcp, linux-gke, linux-gkeop, linux-ibm, linux-lowlatency, linux-lowlatency-hwe-6.8 vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

OESA-2026-1865 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in freenidlist As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on...

OESA-2026-1864 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to detect potential corrupted nid in freenidlist As reported, on-disk footer.ino and footer.nid is the same and out-of-range, let's add sanity check on...