CVE-2009-1243

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Published Apr 6, 2009 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Description

net/ipv4/udp.c in the Linux kernel before 2.6.29.1 performs an unlocking step in certain incorrect circumstances, which allows local users to cause a denial of service (panic) by reading zero bytes from the /proc/net/udp file and unspecified other files, related to the "udp seq_file infrastructure."

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.267% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30842f2989aacfaba3ccb39829b3417be9313dbe
http://openwall.com/lists/oss-security/2009/04/01/4
http://secunia.com/advisories/34478
http://vigilance.fr/vulnerability/Linux-kernel-denial-of-service-via-proc-net-udp-8586
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29.1
http://www.securityfocus.com/bid/34329
http://www.vupen.com/english/advisories/2009/0924
https://exchange.xforce.ibmcloud.com/vulnerabilities/49595

History

No history.

Subscriptions

Linux Linux Kernel

Weaknesses

CWE-667

Sources

CVE record Updated: Aug 7, 2024, 5:04 AM

Status: PUBLISHED
Assigner: mitre
Published: Apr 6, 2009, 2:00 PM
Updated: Aug 7, 2024, 5:04 AM
Reserved: Apr 6, 2009, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:06 PM

Status: Modified
Published: Apr 6, 2009, 2:30 PM
Modified: Jun 16, 2026, 11:06 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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