cve-2024-40951
Vulnerability from cvelistv5
Published
2024-07-12 12:31
Modified
2024-11-05 09:33
Severity ?
Summary
ocfs2: fix NULL pointer dereference in ocfs2_abort_trigger()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/67bcecd780609f471260a8c83fb0ae15f27734cePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/685d03c3795378fca6a1b3d43581f7f1a3fc095fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eb63357ef229fae061ce7ce2839d558681c42f1aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/67bcecd780609f471260a8c83fb0ae15f27734cePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/685d03c3795378fca6a1b3d43581f7f1a3fc095fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/eb63357ef229fae061ce7ce2839d558681c42f1aPatch
Impacted products
Vendor Product Version
Linux Linux Version: 6.6
Show details on NVD website

To clipboard 

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But\\nI\u0027ve made a mistake when reviewing commit 8887b94d9322 and then\\nre-introduce this regression.\\n\\nSince we cannot revive bdev in buffer head, so fix this issue by\\ninitializing all types of ocfs2 triggers when fill super, and then get the\\nspecific ocfs2 trigger from ocfs2_caching_info when access journal.\\n\\n[joseph.qi@linux.alibaba.com: v2]\\n  Link: https://lkml.kernel.org/r/20240602112045.1112708-1-joseph.qi@linux.alibaba.com\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ocfs2: corrige la desreferencia del puntero NULL en ocfs2_abort_trigger() bdev-\u0026gt;bd_super se ha eliminado y el commit 8887b94d9322 cambia el uso de bdev-\u0026gt;bd_super a b_assoc_map-\u0026gt;host-\u0026gt;i_sb. Dado que ocfs2 no ha configurado bh-\u0026gt;b_assoc_map, activar\u00e1 la desreferencia del puntero NULL al llamar a ocfs2_abort_trigger(). En realidad, esto se se\u00f1al\u00f3 en la historia, consulte el commit 74e364ad1b13. 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}


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