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TI-2013-00778 Aliases CVE-2013-0914GHSA-chr6-8347-2cjg

The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4…

Priority LOW 18CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · None
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.

Why it matters now

EPSS 0.00461 40th percentileScored 2026-11-07
Fix Fixed Red Hat: 4 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.8.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*3.8.0VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*3.8.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*3.8.2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.8.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:* Versions 3.8.0 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:* Versions 3.8.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:* Versions 3.8.2 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2013:1051 Released 2013-07-16 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-358.14.1.el6, kernel-debug-2.6.32-358.14.1.el6, kernel-debug-devel-2.6.32-358.14.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-358.14.1.el6, python-perf-2.6.32-358.14.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-358.14.1.el6, kernel-debug-2.6.32-358.14.1.el6, kernel-debug-devel-2.6.32-358.14.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-358.14.1.el6, python-perf-2.6.32-358.14.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-358.14.1.el6, kernel-bootwrapper-2.6.32-358.14.1.el6, kernel-debug-2.6.32-358.14.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-358.14.1.el6, python-perf-2.6.32-358.14.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-358.14.1.el6, kernel-debug-2.6.32-358.14.1.el6, kernel-debug-devel-2.6.32-358.14.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-358.14.1.el6, python-perf-2.6.32-358.14.1.el6
  • RHSA-2013:1080 Released 2013-07-16 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux OpenStack Platform 3.0 kernel-2.6.32-358.114.1.openstack.el6, kernel-debug-2.6.32-358.114.1.openstack.el6, kernel-debug-devel-2.6.32-358.114.1.openstack.el6 +6
  • RHSA-2013:1034 Released 2013-07-10 · Red Hat rating Low
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-348.12.1.el5, kernel-2.6.18-348.12.1.el5.ia64, kernel-PAE-2.6.18-348.12.1.el5 +18
Show 1 more Red Hat advisories
  • RHSA-2013:0829 Released 2013-05-20 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.6.11.2-rt33.39.el6rt, kernel-rt-debug-3.6.11.2-rt33.39.el6rt, kernel-rt-debug-devel-3.6.11.2-rt33.39.el6rt +8

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2013:1034
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux OpenStack Platform 3.0Fixed RHSA-2013:1080
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2013:1051
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2013:1051
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2013:0829

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-0914
  2. 2026-10-03 Alias added: GHSA-chr6-8347-2cjg

References

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources