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A NULL pointer dereference vulnerability was identified in the Linux kernel's GFS2 filesystem, specifically in the gfs2_rgrp_dump() function. The issue arises when rgd->rd_gl creation fails in read_rindex_entry(), resulting in rgd->rd_rgl being NULL. Subsequent access to this pointer in gfs2_rgrp_dump() leads to a kernel NULL pointer dereference. The vulnerability was reported by syzkaller and is mitigated by adding a NULL pointer check before dereferencing rgd->rd_rgl.
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11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Linux kernel GFS2 NULL pointer dereference vulnerability.
Linux kernel GFS2 null-pointer dereference in gfs2_rgrp_dump.
Linux kernel GFS2 NULL-pointer dereference vulnerability.
Linux kernel GFS2 NULL-pointer dereference vulnerability.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.