NULL Pointer Dereference Affecting kernel-abi-stablelists package, versions <0:4.18.0-553.27.1.el8_10
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELABISTABLELISTS-8365300
- published 9 Nov 2024
- disclosed 29 Jul 2024
Introduced: 29 Jul 2024
CVE-2024-42079 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-abi-stablelists to version 0:4.18.0-553.27.1.el8_10 or higher.
This issue was patched in RLSA-2024:8856.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists package and not the kernel-abi-stablelists package as distributed by Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
gfs2: Fix NULL pointer dereference in gfs2_log_flush
In gfs2_jindex_free(), set sdp->sd_jdesc to NULL under the log flush lock to provide exclusion against gfs2_log_flush().
In gfs2_log_flush(), check if sdp->sd_jdesc is non-NULL before dereferencing it. Otherwise, we could run into a NULL pointer dereference when outstanding glock work races with an unmount (glock_work_func -> run_queue -> do_xmote -> inode_go_sync -> gfs2_log_flush).