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CVE-2011-4086

The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and…

Medium4.9EPSS 0.39%
Published
Updated
Reserved
Assigned by
redhat

Description

The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.

Scores

CVSS scores of CVE-2011-4086, by who scored it
Scored byCVSSScoreVector
NVDNVD · Modified2.0Medium4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS (exploitation in 30 days)
0.39% · top 67% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

Affected products

  • n/a

    • affected n/a

References (11)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .