CVE-2014-2889
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. Limited direct impact.
- Exploit odds
- 0.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.4% in the next 30 days (EPSS).
- Severity: 4.6 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.4% · EPSS, next 30 days
- Weakness
- CWE-189
- Record status
- Modified
Affected
- Linux Kernel ≤ 3.1.7
- Linux Kernel 3.0
- Linux Kernel 3.0.1
- Linux Kernel 3.0.2
- Linux Kernel 3.0.3
- Linux Kernel 3.0.4
- Linux Kernel 3.0.5
- Linux Kernel 3.0.6
Attack profile CVSS 2.0 · 4.6
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- Partial
- Availability
- Partial
Raw vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2014-2889.md and follow it. Check whether this project is affected by CVE-2014-2889. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/torvalds/linux/commit/a03ffcf873fe0f2565386ca8ef832144c42e67fa
- https://github.com/torvalds/linux/commit/a03ffcf873fe0f2565386ca8ef832144c42e67fa
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