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CVE-2023-52448

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CVE-2023-52448

Published: Feb 22, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump Syzkaller has reported a NULL pointer dereference when accessing rgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating rgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in gfs2_rgrp_dump() to prevent that.

VendorProductVersions

Linux

Linux

affected
72244b6bc752b5c496f09de9a13c18adc314a53c - < efc8ef87ab9185a23d5676f2f7d986022d91bcde
affected
72244b6bc752b5c496f09de9a13c18adc314a53c - < 5c28478af371a1c3fdb570ca67f110e1ae60fc37
affected
72244b6bc752b5c496f09de9a13c18adc314a53c - < ee0586d73cbaf0e7058bc640d62a9daf2dfa9178
affected
72244b6bc752b5c496f09de9a13c18adc314a53c - < d69d7804cf9e2ba171a27e5f98bc266f13d0414a
affected
72244b6bc752b5c496f09de9a13c18adc314a53c - < 067a7c48c2c70f05f9460d6f0e8423e234729f05

+2 more versions

Linux

Linux

affected
4.20
unaffected
0 - < 4.20
unaffected
5.4.268 - <= 5.4.*
unaffected
5.10.209 - <= 5.10.*
unaffected
5.15.148 - <= 5.15.*

+4 more versions

References

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