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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.

🗓️ 05 Jul 2023 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 2 Views

NULL pointer dereference in Linux kernel gfs2 eviction on corrupt files can panic the kernel.

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Rows per page
Vulners
Node
microsoftcbl2_kernel_5.15.118.1-2Range<5.15.118.1-2
OR
microsoftcm1_kernel_5.10.185.1-1Range<5.10.185.1-1

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05 Jul 2023 07:00Current
7.2High risk
Vulners AI Score7.2
CVSS 3.14.4
EPSS0.00013
null pointer dereferencelinux kernelgfs2 evictioncorrupt file systemsprivileged local userkernel panic
2