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TI-2010-03855 Aliases CVE-2010-4077GHSA-p48g-5p2g-7p87

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1…

Priority LOW 12CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Why it matters now

EPSS 0.0104 64th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 2 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 · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 2.6.36.1VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 2.6.36.1 Vulnerable ·Linux

Remediation

Red Hat 2 advisories

  • RHSA-2011:0007 Released 2011-01-11 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-71.14.1.el6, kernel-bootwrapper-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6 +8
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-71.14.1.el6, kernel-debug-2.6.32-71.14.1.el6, kernel-debug-devel-2.6.32-71.14.1.el6 +5
  • RHSA-2010:0958 Released 2010-12-08 · Red Hat rating Important
    kernel-rt security and bug fix update
    • MRG Realtime for RHEL 5 Server kernel-rt-2.6.33.7-rt29.47.el5rt, kernel-rt-debug-2.6.33.7-rt29.47.el5rt, kernel-rt-debug-devel-2.6.33.7-rt29.47.el5rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
MRG Realtime for RHEL 5 ServerFixed RHSA-2010:0958
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:0007
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:0007
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:0007
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:0007

Timeline

  1. 2026-10-02 Threatist record created from CVE-2010-4077
  2. 2026-10-03 Alias added: GHSA-p48g-5p2g-7p87

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