What’s Vulnerable › Vulnerabilities

CVE-2015-7613

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-10-19 · updated 2026-06-17
• Weakness: CWE-362

Description

Race condition in the IPC object implementation in the Linux kernel through 4.2.3 allows local users to gain privileges by triggering an ipc_addid call that leads to uid and gid comparisons against uninitialized data, related to msg.c, shm.c, and util.c.

Affected products

• Linux kernel: before 3.2.72; from 3.3 before 3.4.111; from 3.5 before 3.10.91; from 3.11 before 3.12.50; from 3.13 before 3.14.55; from 3.15 before 3.16.35 — fixed in 3.10.91, 3.12.50, 3.14.55, 3.16.35, 3.18.23, 3.2.72

How to fix

Upgrade to a fixed version: Linux kernel 3.10.91, 3.12.50, 3.14.55, 3.16.35. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a532277938798b53178d5a66af6e2915cb27cf
• http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00026.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00027.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00028.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00029.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00030.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00031.html
• http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00032.html
• http://rhn.redhat.com/errata/RHSA-2015-2636.html
• http://www.debian.org/security/2015/dsa-3372
• http://www.openwall.com/lists/oss-security/2015/10/01/8

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