CVE-2015-4700
What it is
The bpf_int_jit_compile function in arch/x86/net/bpf_jit_comp.c in the Linux kernel before 4.0.6 allows local users to cause a denial of service (system crash) by creating a packet filter and then loading crafted BPF instructions that trigger late convergence by the JIT compiler.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in. High risk of service disruption.
- Exploit odds
- 0.5% 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: 0.5% in the next 30 days (EPSS).
- Severity: 4.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-17
- Record status
- Modified
Affected
- Linux Kernel ≤ 4.0.5
Attack profile CVSS 2.0 · 4.9
- Attack vector
- Local
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Complete
Raw vector
AV:L/AC:L/Au:N/C:N/I:N/A:C
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-2015-4700.md and follow it. Check whether this project is affected by CVE-2015-4700. 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
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3f7352bf21f8fd7ba3e2fcef9488756f188e12be
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6
- https://github.com/torvalds/linux/commit/3f7352bf21f8fd7ba3e2fcef9488756f188e12be
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3f7352bf21f8fd7ba3e2fcef9488756f188e12be
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6
- https://github.com/torvalds/linux/commit/3f7352bf21f8fd7ba3e2fcef9488756f188e12be
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3f7352bf21f8fd7ba3e2fcef9488756f188e12be
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
- http://rhn.redhat.com/errata/RHSA-2015-1778.html
- http://www.debian.org/security/2015/dsa-3329
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6
- http://www.openwall.com/lists/oss-security/2015/06/23/2
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/75356
- http://www.securitytracker.com/id/1033046
- http://www.ubuntu.com/usn/USN-2679-1
- http://www.ubuntu.com/usn/USN-2680-1
- http://www.ubuntu.com/usn/USN-2681-1
- http://www.ubuntu.com/usn/USN-2683-1
- http://www.ubuntu.com/usn/USN-2684-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1233615
- https://github.com/torvalds/linux/commit/3f7352bf21f8fd7ba3e2fcef9488756f188e12be