CVE-2009-1439

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-04-27 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in fs/cifs/connect.c in CIFS in the Linux kernel 2.6.29 and earlier allows remote attackers to cause a denial of service (crash) via a long nativeFileSystem field in a Tree Connect response to an SMB mount request.

Affected products

Linux kernel: through 2.6.29; 2.2.27, 2.4.36, 2.4.36.1, 2.4.36.2, 2.4.36.3, 2.4.36.4 (+314)

References

http://blog.fefe.de/?ts=b72905a8
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b363b3304bcf68c4541683b2eff70b29f0446a5b
http://lists.opensuse.org/opensuse-security-announce/2009-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00002.html
http://lists.samba.org/archive/linux-cifs-client/2009-April/004322.html
http://secunia.com/advisories/34981
http://secunia.com/advisories/35011
http://secunia.com/advisories/35120
http://secunia.com/advisories/35121
http://secunia.com/advisories/35185

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