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TI-2015-05482 Aliases CVE-2015-6526GHSA-q8q6-vq5m-jhx5

The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel…

Priority LOW 23CWE-399Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
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-399 and the CVSS impact.

Summary

The perf_callchain_user_64 function in arch/powerpc/perf/callchain.c in the Linux kernel before 4.0.2 on ppc64 platforms allows local users to cause a denial of service (infinite loop) via a deep 64-bit userspace backtrace.

Why it matters now

EPSS 0.00393 33rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 4.0.1VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.0.1 Vulnerable ·Linux

Remediation

Red Hat 1 advisory

  • RHSA-2015:2152 Released 2015-11-19 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-327.el7, kernel-abi-whitelists-3.10.0-327.el7, kernel-debug-3.10.0-327.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-327.el7, kernel-abi-whitelists-3.10.0-327.el7, kernel-debug-3.10.0-327.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-327.el7, kernel-abi-whitelists-3.10.0-327.el7, kernel-bootwrapper-3.10.0-327.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-327.el7, kernel-tools-libs-devel-3.10.0-327.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-327.el7, kernel-abi-whitelists-3.10.0-327.el7, kernel-debug-3.10.0-327.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-327.el7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:2152
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:2152
Not affected: 5 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-6526
  2. 2026-10-03 Alias added: GHSA-q8q6-vq5m-jhx5

References

Advisory 2

Other 6

  • 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