CVE-2014-2889

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-04-27 · updated 2026-06-17
Weakness: CWE-189

Description

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.

Affected products

Linux kernel: through 3.1.7; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+80)

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=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

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