Linux Distros Unpatched Vulnerability : CVE-2026-80881

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and...

SUSE CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80881

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

CVE-2026-80881

This Linux kernel vulnerability affects the OCFS2 (Oracle Cluster File System 2) filesystem in the ocfs2_read_blocks() function. The root cause is an incorrect assumption of exclusive ownership of buffer heads returned by sb_getblk(): when put_bh() does not drop the reference count to zero, the b...

CVE-2026-80881 ocfs2: fix buffer head management in ocfs2_read_blocks()

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

EUVD-2026-71511

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix buffer head management in ocfs2readblocks In ocfs2readblocks, caller should't assume that buffer head returned by 'sbgetblk' is exclusively owned and so 'putbh' always drops bcount from 1 to 0. If it is not so, buffer...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a memory leak in ext4fillsuper. The buffer head references must be released before calling killbdev;. Otherwise, the buffer head and the page referenced by bdata will not be freed by killbdev, and subsequently, tha...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed a potential use-after-free issue in jbd2fcwaitbufs. In jbd2fcwaitbufs, using bh after updating the reference count of the buffer may lead to a use-after-free. Therefore, it is necessary to ensure that the buffer is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fixed a race condition between searching chunks and releasing the journalhead from the bufferhead. A race condition was encountered between ocfs2testbgbitallocatable and jbd2journalputjournalhead, resulting in the followin...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix the issue of failing to release the skbuff in seg6inputcore. The seg6input function is responsible for adding the SRH into a packet, with the operation delegated to seg6inputcore. This function uses skbcowhead to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jbd2: fixed the potential buffer head reference count leak. In the case of jbd2fcwaitbufs, if the buffer is not up-to-date, it will return -EIO without updating journal-jfcoff. However, in jbd2fcreleasebufs, the buffer head will ...

CVE-2026-68121

Summary of CVE-2026-68121 (Linux kernel, PPPoE): A vulnerability arises when device header callbacks reallocate the skb head after PPPoE header is referenced, causing a stale pointer to the PPPoE header used by pppoe_sendmsg(). This can occur if a send is blocked in copy_from_user() while a non-E...

SUSE CVE-2026-63954

In the Linux kernel, the following vulnerability has been resolved: hpfs: fix a crash if hpfsmapdnodebitmap fails If hpfsmapdnodebitmap fails, the code would call hpfsbrelse4 on uninitialized quad buffer head, causing a crash...

CVE-2026-63954

In the Linux kernel, the following vulnerability has been resolved: hpfs: fix a crash if hpfsmapdnodebitmap fails If hpfsmapdnodebitmap fails, the code would call hpfsbrelse4 on uninitialized quad buffer head, causing a crash...

PT-2026-61271

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash occurs in the hpfs module when the hpfs map dnode bitmap function fails. In this scenario, the system attempts to call hpfs brelse4 using an uninitialized quad buffer head, leadi...

CVE-2026-53228 ipv6: sit: reload inner IPv6 header after GSO offloads

In the Linux kernel, the following vulnerability has been resolved: ipv6: sit: reload inner IPv6 header after GSO offloads ipip6tunnelxmit caches the inner IPv6 header pointer at function entry and continues using it after iptunnelhandleoffloads. For GSO skbs, iptunnelhandleoffloads calls...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a use-after-free in the iomap inline data write path The inline data buffer head dibh is released prematurely in gfs2iomapbegin via releasemetapath, while iomap-inlinedata still points to dibh-bdata. This causes a...

SUSE CVE-2026-45984

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in iomap inline data write path The inline data buffer head dibh is being released prematurely in gfs2iomapbegin via releasemetapath while iomap-inlinedata still points to dibh-bdata. This causes a...

EUVD-2026-32269

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in iomap inline data write path The inline data buffer head dibh is being released prematurely in gfs2iomapbegin via releasemetapath while iomap-inlinedata still points to dibh-bdata. This causes a...

CVE-2026-46102

In the Linux kernel, the following vulnerability has been resolved: net: strparser: fix skbhead leak in strpabortstrp When the stream parser is aborted, for example after a message assembly timeout, it can still hold a reference to a partially assembled message in strp-skbhead. That skb is not...