SB2014042702 - Input validation error in Linux kernel
Published: April 27, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014042702
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2014-2889)
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.
Remediation
Install update from vendor's website.
References
- 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