Linux Distros Unpatched Vulnerability : CVE-2026-45999

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - erofs: fix unsigned underflow in zerofslz4handleoverlap Some crafted images can have illegal !partialdecoding && mllen out access reads past the decompressedpag...

PT-2026-43866

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description An unsigned underflow exists in the z erofs lz4 handle overlap function within the erofs component. Specifically, crafted images containing illegal extents where !partial decoding is true a...

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 an unsigned overflow in the zerofslz4handleoverlap function within erofs. This vulnerability may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: fixed the runtime warning in truncatefoliobatchexceptionals Commit 0e2f80afcfa6 "fs/dax: ensure all pages are idle before filesystem unmount" introduced the WARNONONCE to check whether the filesystem has removed all DAX...

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

In the Linux kernel, the following vulnerability has been resolved: erofs: Stop parsing non-compact HEAD indexes if clusterofs is invalid Syzbot generated a crafted image with a non-compact HEAD index of clusterofs 33024. Valid numbers should be between 0 and lclustersize-1, which causes the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Wake up all waiters after zerofslzmahead is ready When the user mounts erofs a second time, the decompression thread may become hung. The issue occurs due to a sequence of steps like the following: 1 Task A calls...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed the issue where xasretry was missing in the fscache mode. The xarray iteration only holds the RCU read lock; therefore, an XARETRYENTRY may be encountered if a process modifies the xarray concurrently. This would lea...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Add GFPNOIO to the bio completion if necessary. The bio completion path in the process context e.g., dm-verity will directly call into decompression instead of triggering another workqueue context for minimal scheduling...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for the missing unmap operation when zerofsgetextentcompressedlen fails. Otherwise, meta buffers could be leaked...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: EROFs: Avoid linking hooked chains to prevent loops in deduplicated compressed images. After subjecting EROFS to heavy stress using several images that included a handcrafted image with repeated patterns for over 46 days, I...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: reliably distinguish between block-based and fscache mode When erofskillsb is called in block-dev based mode, sbdev may not have been initialized yet. If CONFIGEROFSFSONDEMAND is enabled, this will cause a mistake in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mounts, IO requests are handled by vfsiocbiterread. However, it can be interrupted by SIGKILL, resulting in the number of bytes actually copied. Unused folios in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix inconsistent per-file compression format EROFS can select compression algorithms on a per-file basis. Each per-file compression algorithm needs to be marked in the on-disk superblock for initialization. However,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Proper handling of overlapping pclusters from crafted images. syzbot reported a task hanging issue due to a deadlock situation where it was waiting for the folio lock of a cached folio that would be used for cache I/Os...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: Fixed a memory leak when the block address of a non-inlined pcluster is zero. Syzkaller reported a memory leak: https://syzkaller.appspot.com/bug?id=62f37ff612f0021641eda5b17f056f1668aa9aed Unreferenced object...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs/zmap.c: Corrected incorrect offset calculation The effective offset to be added to the length was incorrectly calculated, resulting in iomap-length being set to 0, which triggered a WARNON in iomapiterdone. This issue was...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: Fixed invalid cases for encoded extents. Robert recently reported two corrupted images that can cause system crashes. These issues are related to the new encoded extents introduced in Linux 6.15: - The first image has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: erofs: fixed buffer copy overflow in the ztailpacking feature I received the following KASAN reports: 46.959378 ================================================================== 46.960430 BUG: KASAN: use-after-free in...

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

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix for lz4 inplace decompression Currently, EROFS can map another compressed buffer for inplace decompression, which was used to handle cases where some pages of compressed data are not actually in-place I/O. However, lik...