Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.0.5 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3f7352
- 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-4.0.6Vendor Advisory
- http://www.openwall.com/lists/oss-security/2015/06/23/2
FAQ
What is CVE-2015-4700?
CVE-2015-4700 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 loa...
How severe is CVE-2015-4700?
CVE-2015-4700 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-4700?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.