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CVE-2014-3144

N/A
Published: May 11, 2014 at 09:00 PM UTC
Updated: June 17, 2026 at 12:07 AM UTC
4 products affected across 4 vendorsLinux KernelDebian LinuxUbuntu Linux

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Severity
N/A
Exploit prediction
EPSS 0.6%

Description

The (1) BPF_S_ANC_NLATTR and (2) BPF_S_ANC_NLATTR_NEST extension implementations in the sk_run_filter function in net/core/filter.c in the Linux kernel through 3.14.3 do not check whether a certain length value is sufficiently large, which allows local users to cause a denial of service (integer underflow and system crash) via crafted BPF instructions. NOTE: the affected code was moved to the __skb_get_nlattr and __skb_get_nlattr_nest functions before the vulnerability was announced.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (17)

x_refsource_CONFIRM
Source: [email protected]
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=05ab8f2647e4221cbdb3856dd7d32bd5407316b3
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://linux.oracle.com/errata/ELSA-2014-3052.html
Third Party Advisoryx_refsource_SECUNIABroken Link
Source: [email protected]
http://secunia.com/advisories/58990
Third Party Advisoryx_refsource_SECUNIANot Applicable
Source: [email protected]
http://secunia.com/advisories/59311
Third Party Advisoryx_refsource_SECUNIABroken Link
Source: [email protected]
http://secunia.com/advisories/59597
Third Party Advisoryx_refsource_SECUNIANot Applicable
Source: [email protected]
http://secunia.com/advisories/60613
Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
http://www.debian.org/security/2014/dsa-2949
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2014/05/09/6

CVSS

4.9MEDIUM[email protected]
Confidentiality
NONE
Integrity
NONE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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