Input validation error in Linux kernel - CVE-2014-2889
Published: April 27, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41751
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-2889
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Off-by-one error in the bpf_jit_compile function in arch/x86/net/bpf_jit_comp.c in the Linux kernel before 3.1.8, when BPF JIT is enabled, allows local users to cause a denial of service (system crash) or possibly gain privileges via a long jump after a conditional jump.
How to mitigate CVE-2014-2889
Install update from vendor's website.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a03ffcf873fe0f2565386ca8ef832144c42e67fa
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1.8
- http://www.openwall.com/lists/oss-security/2014/04/18/6
- https://github.com/torvalds/linux/commit/a03ffcf873fe0f2565386ca8ef832144c42e67fa