CVE-2010-2693

Severity: high (CVSS 7.2 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-07-13 · updated 2026-06-16
Weakness: CWE-264

Description

FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference, which allows local users to cause a denial of service (system file corruption) and gain privileges via the sendfile system call.

Affected products

FreeBSD: 7.1, 7.1-pre-release, 7.1-rc1, 7.1-release-p1, 7.1-release-p2, 7.1-release-p4 (+8)

References

http://secunia.com/advisories/40567
http://security.freebsd.org/advisories/FreeBSD-SA-10:07.mbuf.asc
http://www.securityfocus.com/bid/41577
http://www.securitytracker.com/id?1024182
http://www.vupen.com/english/advisories/2010/1787
http://secunia.com/advisories/40567
http://security.freebsd.org/advisories/FreeBSD-SA-10:07.mbuf.asc
http://www.securityfocus.com/bid/41577
http://www.securitytracker.com/id?1024182
http://www.vupen.com/english/advisories/2010/1787

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