CVE-2015-4700

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.

Category

4.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/3f7352bf21f8fd7ba3e2fcef9488756f188e12be
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00011.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00009.html vendor advisory
http://www.openwall.com/lists/oss-security/2015/06/23/2 mailing list
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00008.html vendor advisory
http://www.ubuntu.com/usn/USN-2680-1 vendor advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3f7352bf21f8fd7ba3e2fcef9488756f188e12be
http://www.ubuntu.com/usn/USN-2679-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2015-1778.html vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1233615
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.6 vendor advisory
http://www.securitytracker.com/id/1033046 vdb entry
http://www.debian.org/security/2015/dsa-3329 vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html vendor advisory
http://www.ubuntu.com/usn/USN-2684-1 vendor advisory
http://www.ubuntu.com/usn/USN-2681-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html vendor advisory
http://www.ubuntu.com/usn/USN-2683-1 vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00010.html vendor advisory
http://www.securityfocus.com/bid/75356 vdb entry
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00023.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00007.html vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html vendor advisory
https://support.f5.com/csp/article/K05211147

Frequently Asked Questions

What is the severity of CVE-2015-4700?
CVE-2015-4700 has been scored as a medium severity vulnerability.
How to fix CVE-2015-4700?
To fix CVE-2015-4700, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-4700 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-4700 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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