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TI-2011-03648 Aliases CVE-2011-4131GHSA-497c-8qgw-xqvj

The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap…

Priority LOW 23CWE-189Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Complete
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.

Summary

The NFSv4 implementation in the Linux kernel before 3.2.2 does not properly handle bitmap sizes in GETACL replies, which allows remote NFS servers to cause a denial of service (OOPS) by sending an excessive number of bitmap words.

Why it matters now

EPSS 0.00767 55th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 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 · 8

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*3.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:*3.2 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:*3.2 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:*3.2 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:*3.2 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:*3.2 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:*3.2 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:*3.2.1VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc2:*:*:*:*:*:* Versions 3.2 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc3:*:*:*:*:*:* Versions 3.2 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc4:*:*:*:*:*:* Versions 3.2 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc5:*:*:*:*:*:* Versions 3.2 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc6:*:*:*:*:*:* Versions 3.2 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:rc7:*:*:*:*:*:* Versions 3.2 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2.1:*:*:*:*:*:*:* Versions 3.2.1 Vulnerable ·Linux

Remediation

Red Hat 3 advisories

  • RHSA-2012:1541 Released 2012-12-04 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server EUS (v. 6.2) kernel-2.6.32-220.30.1.el6, kernel-bootwrapper-2.6.32-220.30.1.el6, kernel-debug-2.6.32-220.30.1.el6 +8
    • Red Hat Enterprise Linux Server Optional EUS (v. 6.2) kernel-2.6.32-220.30.1.el6, python-perf-2.6.32-220.30.1.el6
  • RHSA-2012:0862 Released 2012-06-19 · Red Hat rating Moderate
    Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-279.el6, kernel-debug-2.6.32-279.el6, kernel-debug-devel-2.6.32-279.el6 +4
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-279.el6, python-perf-2.6.32-279.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-279.el6, kernel-debug-2.6.32-279.el6, kernel-debug-devel-2.6.32-279.el6 +4
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-279.el6, python-perf-2.6.32-279.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-279.el6, kernel-bootwrapper-2.6.32-279.el6, kernel-debug-2.6.32-279.el6 +7
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-279.el6, python-perf-2.6.32-279.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-279.el6, kernel-debug-2.6.32-279.el6, kernel-debug-devel-2.6.32-279.el6 +4
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-279.el6, python-perf-2.6.32-279.el6
  • RHSA-2012:0333 Released 2012-02-23 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.0.18-rt34.53.el6rt, kernel-rt-debug-3.0.18-rt34.53.el6rt, kernel-rt-debug-devel-3.0.18-rt34.53.el6rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux Server EUS (v. 6.2)Fixed RHSA-2012:1541
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux Server Optional EUS (v. 6.2)Fixed RHSA-2012:1541
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0862
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0862
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2012:0333
Not affected: 2 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4131
  2. 2026-10-03 Alias added: GHSA-497c-8qgw-xqvj

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