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TI-2015-06542 Aliases CVE-2015-7872GHSA-jvjc-3jqr-63px

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6…

Priority LOW 12CWE-20Published · Updated

Key facts

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

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

Why it matters now

EPSS 0.00508 43rd 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 · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 4.2.6VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.2.6 Vulnerable ·Linux

Remediation

Red Hat 4 advisories

  • RHSA-2016:0224 Released 2016-02-16 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-327.rt56.171.el6rt, kernel-rt-debug-1:3.10.0-327.rt56.171.el6rt, kernel-rt-debug-devel-1:3.10.0-327.rt56.171.el6rt +7
  • RHSA-2016:0185 Released 2016-02-16 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.10.1.el7, kernel-abi-whitelists-3.10.0-327.10.1.el7, kernel-debug-3.10.0-327.10.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.10.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.10.1.el7, kernel-abi-whitelists-3.10.0-327.10.1.el7, kernel-debug-3.10.0-327.10.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.10.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.10.1.el7, kernel-abi-whitelists-3.10.0-327.10.1.el7, kernel-bootwrapper-3.10.0-327.10.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.10.1.el7, kernel-tools-libs-devel-3.10.0-327.10.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.10.1.el7, kernel-abi-whitelists-3.10.0-327.10.1.el7, kernel-debug-3.10.0-327.10.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.10.1.el7
  • RHSA-2016:0212 Released 2016-02-16 · Red Hat rating Important
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debug-3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debug-devel-3.10.0-327.10.1.rt56.211.el7_2 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debug-3.10.0-327.10.1.rt56.211.el7_2, kernel-rt-debug-devel-3.10.0-327.10.1.rt56.211.el7_2 +7
Show 1 more Red Hat advisories
  • RHSA-2015:2636 Released 2015-12-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-bootwrapper-2.6.32-573.12.1.el6 +9
    • Red Hat Enterprise Linux Server Optional (v. 6) python-perf-2.6.32-573.12.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-573.12.1.el6, kernel-abi-whitelists-2.6.32-573.12.1.el6, kernel-debug-2.6.32-573.12.1.el6 +6
    • Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf-2.6.32-573.12.1.el6

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2016:0212
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:2636
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2016:0185
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2016:0212
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2016:0224
Not affected: 1 product
  • Red Hat Enterprise Linux 5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-7872
  2. 2026-10-03 Alias added: GHSA-jvjc-3jqr-63px

References

Advisory 35

Other 9

  • 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