VulnerabilityModified

CVE-2013-4247

Off-by-one error in the build_unc_path_to_root function in fs/cifs/connect.c in the Linux kernel before 3.9.6 allows remote attackers to cause a denial of service (memory corruption and system crash) via a DFS share mount operation that triggers use of…

HIGH 7.8EPSS 3.64%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 2.0: 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS: 3.64% probability · 90th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-189
Affected: linux/linux kernel
Source: secalert@redhat.com

EPSS trend

EPSS 3.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3bExploit, Patch, Third Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1fc29bacedeabb278080e31bb9c1ecb49f143c3b
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.9.6Vendor Advisory
http://www.openwall.com/lists/oss-security/2013/08/14/10Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=998401Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/1fc29bacedeabb278080e31bb9c1ecb49f143c3bExploit, Patch, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.