Astra Linux - уязвимость в 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 ...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013584)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013584 advisory. In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential buffer head reference count leak As in 'jbd2fcwaitbufs' if buffer isn't...

SUSE CVE-2022-50839

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential buffer head reference count leak As in 'jbd2fcwaitbufs' if buffer isn't uptodate, will return -EIO without update 'journal-jfcoff'. But 'jbd2fcreleasebufs' will release buffer head from 'jfcoff - 1' if 'bh' is...

Linux Distros Unpatched Vulnerability : CVE-2022-50839

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - jbd2: fix potential buffer head reference count leak As in 'jbd2fcwaitbufs' if buffer isn't uptodate, will return -EIO without update 'journal-jfcoff'. But...

CVE-2022-50839

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential buffer head reference count leak As in 'jbd2fcwaitbufs' if buffer isn't uptodate, will return -EIO without update 'journal-jfcoff'. But 'jbd2fcreleasebufs' will release buffer head from ‘jfcoff - 1’ if 'bh' is...

UBUNTU-CVE-2022-50839

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential buffer head reference count leak As in 'jbd2fcwaitbufs' if buffer isn't uptodate, will return -EIO without update 'journal-jfcoff'. But 'jbd2fcreleasebufs' will release buffer head from ‘jfcoff - 1’ if 'bh' is...

CVE-2022-50839

Summary (CVE-2022-50839) The issue is in the Linux kernel’s jbd2 journaling subsystem. When a buffer isn’t uptodate, jbd2_fc_wait_bufs returns -EIO without updating journal->j_fc_off, and jbd2_fc_release_bufs may release the buffer head from j_fc_off - 1 if bh is NULL, causing a buffer head re...