Home/CVE/FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference, whi
CVE

CVE-2010-2693

FreeBSD 7.1 through 8.1-PRERELEASE does not copy the read-only flag when creating a duplicate mbuf buffer reference, whi

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.

HIGH · CVSS 7.2 EPSS 0.00169
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

1
freebsdall versions
⚠

Public Exploits & PoCs

1
localFreeBSD - 'mbufs()' sendfile Cache Poisoning Privilege Escalationverified
▣

Scoring & Timeline

7.2
HIGH · CVSS v2 (legacy) · secteam@freebsd.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Published to NVD13 Jul 2010 · 08:30 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/40567Vendor Advisory
http://security.freebsd.org/advisories/FreeBSD-SA-10:07.mbuf.ascPatchVendor Advisory
http://www.securityfocus.com/bid/41577
http://www.securitytracker.com/id?1024182Patch
http://www.vupen.com/english/advisories/2010/1787PatchVendor Advisory
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