AZL-99510 CVE-2026-80807 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

EUVD-2026-71242

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

CVE-2026-80807

CVE-2026-80807 affects the nilfs2 filesystem in the Linux kernel . The root cause is a missing range check on vd_offset and vd_vblocknr fields in the nilfs_vdesc structure during the garbage-collection (GC) ioctl. An attacker or fuzzer can supply artificially crafted parameters that cause a page/...

CVE-2026-80807 nilfs2: reject invalid block index in GC ioctl

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

CVE-2026-80807

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within nilfslookupdirtydatabuffers. Analysis revealed that the root cause was the insertion of...

Linux Distros Unpatched Vulnerability : CVE-2026-80807

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: reject invalid block index in GC ioctl Syzbot reported list corruption caused by a double listaddtail call on bh-bassocbuffers within...

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

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed a failure to detect corruption of DAT files in BTree and direct mappings. The patch series is titled “nilfs2: Fix kernel bug at submitbhwbc”. This resolves a kernel bug reported by syzbot. Since there are two...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A shift-out-of-bounds condition has been fixed due to an overly large exponent of the block size. If the slogblocksize field in the superblock data is corrupted and too large, initnilfs and loadnilfs may still trigger a...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed a shift-out-of-bounds/overflow issue in nilfssb2badoffset. The patch series “nilfs2: Fix UBSAN shift-out-of-bounds warnings during mount time” addresses this issue. The first patch fixes a bug reported by syzbot,...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Fixed an underflow in calculations for the second superblock position. The macro NILFSSB2OFFSETBYTES calculates the position of the second superblock. This calculation results in an underflow when the devicesize argument ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed NULL pointer dereferencing in nilfspalloccommitfreeentry. Syzbot reported a NULL pointer dereferencing bug: NILFS loop0: segctord started. Construction interval = 5 seconds, CP frequency 3c 02 00 0f 85 26 05 00 0...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A bug in markbufferdirty was fixed, as it sometimes generates a warning due to the forced discard of reused buffers. A syzbot stress test using a corrupted disk image revealed that markbufferdirty called from nilfsmark...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nilfs2: Replaces WARNONs with nilfserror in cases where checkpoint acquisition fails. If the creation or finalization of a checkpoint fails due to anomalies in the checkpoint metadata on disk, a kernel warning is generated. This...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A infinite loop has been fixed in nilfsmdtgetblock. If the disk image that nilfs2 mounts is corrupted, and the virtual block address obtained through block lookup for a metadata file is invalid, nilfsbmaplookupatlevel may...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Do not write dirty data after degrading to read-only. According to the syzbot report, the call to markbufferdirty from nilfssegctordoconstruct outputs a warning with certain patterns after nilfs2 detects metadata corrupti...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a potential bug in endbufferasyncwrite According to a syzbot report, endbufferasyncwrite, which handles the completion of block device writes, may detect abnormal conditions of the asyncwrite flag and cause a BUGON...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image and attempts to read a b-tree node by calling nilfsbtreegetblock against an invalid virtual block address, it returns -ENOENT...

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

In the Linux kernel, the following vulnerability has been resolved: Nilfs2: Fixed a kernel bug caused by the lack of clearing of the “checked” flag. Syzbot reported that in directory operations, after Nilfs2 detects filesystem corruption and becomes read-only, blockwritebeginint may fail the BUGO...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: nilfs2: A potential use-after-free issue has been addressed in nilfsgccachesubmitreaddata. In nilfsgccachesubmitreaddata, the function brelsebh is called to decrement the reference count of bh when the call to nilfsdattranslate...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixed state management in the error path of the log writing function. After the commit a694291a6211 “nilfs2: separate the wait function from nilfssegctorwrite” was applied, the log writing function...