CVE-2026-53048

linux: In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during un...

CVE-2026-53048 is fixed in 33 products on 1 platform, first by DEBIAN-CVE-2026-53048, released June 25, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0012
2nd percentile

In the Linux kernel, the following vulnerability has been resolved: gfs2: prevent NULL pointer dereference during unmount When flushing out outstanding glock work during an unmount, gfs2_log_flush() can be called when sdp->sd_jdesc has already been deallocated and sdp->sd_jdesc is NULL. Commit 35264909e9d1 ("gfs2: Fix NULL pointer dereference in gfs2_log_flush") added a check for that to gfs2_log_flush() itself, but it missed the sdp->sd_jdesc dereference in gfs2_log_release(). Fix that.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · ol 8 0:5.15.0-323.211.3.3.el9uek bpftool 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
bpftool · ol 9 0:5.15.0-323.211.3.3.el9uek bpftool 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-64kb · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-azure · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-default · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.38.1.160000.2.22 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-default-base · sles 16.0 6.12.0-160000.38.1.160000.2.23 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-docs · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-source · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-syms · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
kernel-uek · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-container · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-container 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-container · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-container 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-container-debug 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-container-debug 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-core · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-core · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-core · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-devel · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-modules · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-debug-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-devel · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-devel · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-doc · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-doc 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-doc · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-doc 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-modules · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-modules · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-modules-extra · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek64k 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek64k 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-core · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-core · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-core 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-devel · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-devel 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-modules · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-modules 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-modules-extra · ol 8 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-323.211.3.3.el9uek kernel-uek64k-modules-extra 0:5.15.0-323.211.3.3.el9uek Aug 11, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.38.1 OPENSUSE-SU-2026:21910-1 Sep 22, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.38.1 SUSE-SU-2026:23902-1 Sep 22, 2026
linux · Debian 12.15 (bookworm) 6.1.176-1 DEBIAN-CVE-2026-53048 Jun 25, 2026
linux · Debian 13.5 (trixie) 6.12.94-1 DEBIAN-CVE-2026-53048 Jun 25, 2026
linux · Debian 14 7.0.10-1 DEBIAN-CVE-2026-53048 Jun 25, 2026

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