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TI-2011-00448 Aliases CVE-2011-0521GHSA-g7pj-4wjv-5pv3

The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel…

Priority LOW 32CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a negative value.

Why it matters now

EPSS 0.00404 34th 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 · 3

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 2.6.38VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:*2.6.38VulnerableLinux
cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:*2.6.38 rc1VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 2.6.38 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.38:-:*:*:*:*:*:* Versions 2.6.38 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:2.6.38:rc1:*:*:*:*:*:* Versions 2.6.38 rc1 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2011:0429 Released 2011-04-12 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5.6.z server) kernel-2.6.18-238.9.1.el5, kernel-2.6.18-238.9.1.el5.ia64, kernel-PAE-2.6.18-238.9.1.el5 +14
  • RHSA-2011:0421 Released 2011-04-08 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-71.24.1.el6, kernel-bootwrapper-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6 +7
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-71.24.1.el6, kernel-debug-2.6.32-71.24.1.el6, kernel-debug-devel-2.6.32-71.24.1.el6 +4
  • RHSA-2011:0330 Released 2011-03-10 · Red Hat rating Important
    kernel-rt security and bug fix update
    • MRG Realtime for RHEL 5 Server kernel-rt-2.6.33.7-rt29.55.el5rt, kernel-rt-debug-2.6.33.7-rt29.55.el5rt, kernel-rt-debug-devel-2.6.33.7-rt29.55.el5rt +7
Show 1 more Red Hat advisories
  • RHSA-2011:0263 Released 2011-02-16 · Red Hat rating Important
    Red Hat Enterprise Linux 4.9 kernel security and bug fix update
    • Red Hat Enterprise Linux AS version 4 kernel-2.6.9-100.EL, kernel-2.6.9-100.EL.ia64, kernel-2.6.9-100.EL.ppc64iseries +14
    • Red Hat Enterprise Linux Desktop version 4 kernel-2.6.9-100.EL, kernel-devel-2.6.9-100.EL, kernel-doc-2.6.9-100.EL +8
    • Red Hat Enterprise Linux ES version 4 kernel-2.6.9-100.EL, kernel-2.6.9-100.EL.ia64, kernel-devel-2.6.9-100.EL +12
    • Red Hat Enterprise Linux WS version 4 kernel-2.6.9-100.EL, kernel-2.6.9-100.EL.ia64, kernel-devel-2.6.9-100.EL +12

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
MRG Realtime for RHEL 5 ServerFixed RHSA-2011:0330
Red Hat Enterprise Linux (v. 5.6.z server)Fixed RHSA-2011:0429
Red Hat Enterprise Linux AS version 4Fixed RHSA-2011:0263
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2011:0263
Red Hat Enterprise Linux ES version 4Fixed RHSA-2011:0263
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0421
Red Hat Enterprise Linux WS version 4Fixed RHSA-2011:0263
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0421

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-0521
  2. 2026-10-03 Alias added: GHSA-g7pj-4wjv-5pv3

References

Patch 2

Advisory 1

Other 2

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences