CVE-2010-5328

Severity: medium (CVSS 5.5 v3.0)
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: none known
Published: 2017-02-06 · updated 2026-06-16
Weakness: CWE-20

Description

include/linux/init_task.h in the Linux kernel before 2.6.35 does not prevent signals with a process group ID of zero from reaching the swapper process, which allows local users to cause a denial of service (system crash) by leveraging access to this process group.

Affected products

Linux kernel: through 2.6.34.7

References

http://ftp.naist.jp/pub/linux/kernel/v2.6/ChangeLog-2.6.35
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f106eee10038c2ee5b6056aaf3f6d5229be6dcdd
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f20011457f41c11edb5ea5038ad0c8ea9f392023
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fa2755e20ab0c7215d99c2dc7c262e98a09b01df
http://www.openwall.com/lists/oss-security/2017/01/21/2
http://www.securityfocus.com/bid/97103
https://bugzilla.redhat.com/show_bug.cgi?id=1358840
https://github.com/torvalds/linux/commit/f106eee10038c2ee5b6056aaf3f6d5229be6dcdd
https://github.com/torvalds/linux/commit/f20011457f41c11edb5ea5038ad0c8ea9f392023
https://github.com/torvalds/linux/commit/fa2755e20ab0c7215d99c2dc7c262e98a09b01df
http://ftp.naist.jp/pub/linux/kernel/v2.6/ChangeLog-2.6.35
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f106eee10038c2ee5b6056aaf3f6d5229be6dcdd

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