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PRIOn knowledge basePRION:CVE-2023-3212HistoryJun 23, 2023 - 8:15 p.m.
Null pointer dereference
2023-06-2320:15:00
PRIOn knowledge base
www.prio-n.com
10
null pointer
gfs2 file system
linux kernel
kernel panic
local user
privilege escalation
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
References
bugzilla.redhat.com/show_bug.cgi?id=2214348
github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
lists.debian.org/debian-lts-announce/2023/10/msg00027.html
lists.debian.org/debian-lts-announce/2024/01/msg00004.html
security.netapp.com/advisory/ntap-20230929-0005/
www.debian.org/security/2023/dsa-5448
www.debian.org/security/2023/dsa-5480
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