CVE-2015-4700

CVE-2015-4700 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.9)
• EPSS exploit prediction: 0% (36th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-17
• Affected product: Linux Linux Kernel
• Published: 2015-08-31
• Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-4700?

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.

How severe is CVE-2015-4700?

CVE-2015-4700 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2015-4700 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4700?

CVE-2015-4700 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4700?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-4700 published?

CVE-2015-4700 was published on 2015-08-31 and last updated on 2026-06-17.

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
• https://support.f5.com/csp/article/K05211147

Affected products (1)

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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