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Fencer Intel
high 7.2

CVE-2013-1763 json

Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the Linux kernel before 3.7.10 allows local users to gain…

published 13y ago modified 4mo ago also EUVD-2013-1789

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
4
Exploit-DB

Summary

Array index error in the __sock_diag_rcv_msg function in net/core/sock_diag.c in the Linux kernel before 3.7.10 allows local users to gain privileges via a large family value in a Netlink message.

Patch / fix

  • linux linux_kernel 3.4.34, 3.7.10, 3.8.1
  • kernel-rt enterprise mrg 2 3.6.11-rt30.25.el6rt
  • mrg-rt-release enterprise mrg 2 3.6.11-rt30.25.el6rt
  • kernel-rt-trace enterprise mrg 2 3.6.11-rt30.25.el6rt
  • kernel-rt-vanilla enterprise mrg 2 3.6.11-rt30.25.el6rt
  • kernel-rt-firmware enterprise mrg 2 3.6.11-rt30.25.el6rt
  • kernel-rt-debuginfo-common-x86_64 enterprise mrg 2 3.6.11-rt30.25.el6rt

red hat advisories RHSA-2013:0622

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-1763 updated cvss 7.2

kernel: sock_diag: out-of-bounds access to sock_diag_handlers[]

  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.6.11-rt30.25.el6rt, mrg-rt-release 3.6.11-rt30.25.el6rt, kernel-rt-trace 3.6.11-rt30.25.el6rt, kernel-rt-vanilla 3.6.11-rt30.25.el6rt, kernel-rt-firmware 3.6.11-rt30.25.el6rt, kernel-rt-debuginfo-common-x86_64 3.6.11-rt30.25.el6rt
    fixed: vendor fix RHSA-2013:0622
  • Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-33336)
  2. Published

Exploit prediction

4.06% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44299 Linux Kernel < 3.5.0-23 (Ubuntu 12.04.2 x64) - 'SOCK_DIAG' SMEP Bypass Local Privilege Escalation local, 2015-08-26
  • EDB-33336 Linux Kernel 3.3 < 3.8 (Ubuntu / Fedora 18) - 'sock_diag_handlers()' Local Privilege Escalation (3) local, 2013-02-24
  • EDB-24746 Linux Kernel 3.7.10 (Ubuntu 12.10 x64) - 'sock_diag_handlers' Local Privilege Escalation (2) local, 2013-03-13
  • EDB-24555 Linux Kernel 3.3.x < 3.7.x (Arch Linux x86-64) - 'sock_diag_handlers[]' Local Privilege Escalation (1) local, 2013-02-27

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.