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CVE-2022-50839

jbd2: fix potential buffer head reference count leak

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

jbd2: fix potential buffer head reference count leak

As in 'jbd2_fc_wait_bufs' if buffer isn't uptodate, will return -EIO without
update 'journal->j_fc_off'. But 'jbd2_fc_release_bufs' will release buffer head
from ‘j_fc_off - 1’ if 'bh' is NULL will terminal release which will lead to
buffer head buffer head reference count leak.
To solve above issue, update 'journal->j_fc_off' before return -EIO.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version ff780b91efe901b8eecd8114785abae5341820ad
Version < 7a33dde572fceb45d02d188e0213c47059401c93
Status affected
Version ff780b91efe901b8eecd8114785abae5341820ad
Version < e7385c868ee038d6a0cb0e85c22d2741e7910fd5
Status affected
Version ff780b91efe901b8eecd8114785abae5341820ad
Version < 68ed9c76b2affd47177b92495446abb7262d0ef7
Status affected
Version ff780b91efe901b8eecd8114785abae5341820ad
Version < 9b073d73725366d886b711b74e058c02f51e7a0e
Status affected
Version ff780b91efe901b8eecd8114785abae5341820ad
Version < e0d5fc7a6d80ac2406c7dfc6bb625201d0250a8a
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 5.10
Status affected
Version 0
Version < 5.10
Status unaffected
Version <= 5.10.*
Version 5.10.150
Status unaffected
Version <= 5.15.*
Version 5.15.75
Status unaffected
Version <= 5.19.*
Version 5.19.17
Status unaffected
Version <= 6.0.*
Version 6.0.3
Status unaffected
Version <= *
Version 6.1
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 0.04% 0.101
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
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