CVE-2011-4132: n/a vulnerability

CVE-2011-4132: The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2....

The cleanup_journal_tail function in the Journaling Block Device (JBD) functionality in the Linux kernel 2.6 allows local users to cause a denial of service (assertion error and kernel oops) via an ext3 or ext4 image with an "invalid log first block value."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:01 UTC (UTC+00:00)

Security readout for executives and security teams

This is a local denial-of-service issue in older Linux 2.6 kernel journaling code. A local user using a malformed ext3 or ext4 filesystem image could trigger an assertion failure and kernel oops, potentially crashing or disrupting the host. Exposure is most likely on legacy Linux 2.6 systems or vendor kernels carrying the vulnerable JBD/JBD2 code, especially where local users can handle untrusted ext3/ext4 images. Modern supported kernels may already include vendor fixes, but this must be verified per distribution. Treat this as a legacy-platform availability risk, not an internet-scale emergency. Prioritize systems with local multi-user access, image-processing workflows, or unsupported kernels. Patch or isolate affected hosts through normal vulnerability management unless business-critical services depend on them. Mitigation focus: Apply vendor kernel updates that include the referenced JBD/JBD2 fix.; Confirm distribution advisories for exact affected packages and fixed versions.; Restrict local users from mounting or processing untrusted ext3/ext4 images..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Jan 27, 2012, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.redhat.com/show_bug.cgi?id=753341CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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