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CVE-2023-53867

ceph: fix potential use-after-free bug when trimming caps

In the Linux kernel, the following vulnerability has been resolved:

ceph: fix potential use-after-free bug when trimming caps

When trimming the caps and just after the 'session->s_cap_lock' is
released in ceph_iterate_session_caps() the cap maybe removed by
another thread, and when using the stale cap memory in the callbacks
it will trigger use-after-free crash.

We need to check the existence of the cap just after the 'ci->i_ceph_lock'
being acquired. And do nothing if it's already removed.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 2f2dc053404febedc9c273452d9d518fb31fde72
Version < 2b2515b8095cf2149bef44383a99d5b5677f1831
Status affected
Version 2f2dc053404febedc9c273452d9d518fb31fde72
Version < 448875a73e16ba7d81dec9274ce9d33a12d092fb
Status affected
Version 2f2dc053404febedc9c273452d9d518fb31fde72
Version < ae6e935618d99cdba11eab4714092e7e5f13cf7e
Status affected
Version 2f2dc053404febedc9c273452d9d518fb31fde72
Version < aaf67de78807c59c35bafb5003d4fb457c764800
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 2.6.34
Status affected
Version 0
Version < 2.6.34
Status unaffected
Version <= 6.1.*
Version 6.1.28
Status unaffected
Version <= 6.2.*
Version 6.2.15
Status unaffected
Version <= 6.3.*
Version 6.3.2
Status unaffected
Version <= *
Version 6.4
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.03% 0.099
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
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