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Fencer Vulns
high 7.5

CVE-2008-1367 json

gcc 4.3.x does not generate a cld instruction while compiling functions used for string manipulation such as memcpy and memmove on x86 and…

published 2008-03-17 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-1374

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.8%
EPSS 2.8% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

gcc 4.3.x does not generate a cld instruction while compiling functions used for string manipulation such as memcpy and memmove on x86 and i386, which can prevent the direction flag (DF) from being reset in violation of ABI conventions and cause data to be copied in the wrong direction during signal handling in the Linux kernel, which might allow context-dependent attackers to trigger memory corruption. NOTE: this issue was originally reported for CPU consumption in SBCL.

Patch / fix

  • glibc Debian 14, Debian 13, Debian 12 2.7-8

debian advisories DEBIAN-CVE-2008-1367

  • kernel RHEL 5 2.6.18-53.1.19.el5
  • kernel-PAE RHEL 5 2.6.18-53.1.19.el5
  • kernel-xen RHEL 5 2.6.18-53.1.19.el5
  • kernel-kdump RHEL 5 2.6.18-53.1.19.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-53.1.19.el5
  • kernel RHEL 4 2.6.9-67.0.20.EL
  • kernel-smp RHEL 4 2.6.9-67.0.20.EL
  • kernel-xenU RHEL 4 2.6.9-67.0.20.EL

red hat advisories RHSA-2008:0233RHSA-2008:0508RHSA-2008:0211

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-2008-1367 updated

Kernel doesn't clear DF for signal handlers

  • Red Hat Desktop version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-53.1.19.el5, kernel-PAE 2.6.18-53.1.19.el5, kernel-xen 2.6.18-53.1.19.el5, kernel-kdump 2.6.18-53.1.19.el5, kernel-debuginfo-common 2.6.18-53.1.19.el5
    fixed: vendor fix RHSA-2008:0233
  • Red Hat Enterprise Linux AS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-67.0.20.EL, kernel-smp 2.6.9-67.0.20.EL, kernel-xenU 2.6.9-67.0.20.EL, kernel-hugemem 2.6.9-67.0.20.EL, kernel-largesmp 2.6.9-67.0.20.EL
    fixed: vendor fix RHSA-2008:0508
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-53.1.19.el5, kernel-PAE 2.6.18-53.1.19.el5, kernel-xen 2.6.18-53.1.19.el5, kernel-kdump 2.6.18-53.1.19.el5, kernel-debuginfo-common 2.6.18-53.1.19.el5
    fixed: vendor fix RHSA-2008:0233
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-67.0.20.EL, kernel-smp 2.6.9-67.0.20.EL, kernel-xenU 2.6.9-67.0.20.EL, kernel-hugemem 2.6.9-67.0.20.EL, kernel-largesmp 2.6.9-67.0.20.EL
    fixed: vendor fix RHSA-2008:0508
  • Red Hat Enterprise Linux ES version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux ES version 4 kernel 2.6.9-67.0.20.EL, kernel-smp 2.6.9-67.0.20.EL, kernel-xenU 2.6.9-67.0.20.EL, kernel-hugemem 2.6.9-67.0.20.EL, kernel-largesmp 2.6.9-67.0.20.EL
    fixed: vendor fix RHSA-2008:0508
show 2 more
  • Red Hat Enterprise Linux WS version 3 kernel 2.4.21-57.EL, kernel-smp 2.4.21-57.EL, kernel-BOOT 2.4.21-57.EL, kernel-source 2.4.21-57.EL, kernel-hugemem 2.4.21-57.EL, kernel-unsupported 2.4.21-57.EL, +2 more
    fixed: vendor fix RHSA-2008:0211
  • Red Hat Enterprise Linux WS version 4 kernel 2.6.9-67.0.20.EL, kernel-smp 2.6.9-67.0.20.EL, kernel-xenU 2.6.9-67.0.20.EL, kernel-hugemem 2.6.9-67.0.20.EL, kernel-largesmp 2.6.9-67.0.20.EL
    fixed: vendor fix RHSA-2008:0508

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

Exploit prediction

2.79% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • lkml.org http://lkml.org/lkml/2008/3/5/207 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-399 Resource Management Errors

References

Sources

Fencer Vulns 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.