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sound/core/timer.c in the Linux kernel before 4.11.5 is vulnerable to a data race in the…

Priority LOW 26CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 11 fixed, 3 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

sound/core/timer.c in the Linux kernel before 4.11.5 is vulnerable to a data race in the ALSA /dev/snd/timer driver resulting in local users being able to read information belonging to other users, i.e., uninitialized memory contents may be disclosed when a read and an ioctl happen at the same time.

Why it matters now

EPSS 0.00721 54th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 11 fixed, 3 without a fix

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 4.11.4VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 4.11.4 Vulnerable ·Linux

Remediation

Red Hat 3 advisories

  • RHSA-2017:3315 Released 2017-12-01 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) kernel-3.10.0-693.11.1.el7, kernel-abi-whitelists-3.10.0-693.11.1.el7, kernel-debug-3.10.0-693.11.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.11.1.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) kernel-3.10.0-693.11.1.el7, kernel-abi-whitelists-3.10.0-693.11.1.el7, kernel-debug-3.10.0-693.11.1.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.11.1.el7
    • Red Hat Enterprise Linux Server (v. 7) kernel-3.10.0-693.11.1.el7, kernel-abi-whitelists-3.10.0-693.11.1.el7, kernel-bootwrapper-3.10.0-693.11.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-693.11.1.el7, kernel-tools-libs-devel-3.10.0-693.11.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) kernel-3.10.0-693.11.1.el7, kernel-abi-whitelists-3.10.0-693.11.1.el7, kernel-debug-3.10.0-693.11.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-693.11.1.el7
  • RHSA-2017:3322 Released 2017-11-30 · Red Hat rating Moderate
    kernel-rt security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-693.11.1.rt56.632.el7, kernel-rt-debug-3.10.0-693.11.1.rt56.632.el7, kernel-rt-debug-devel-3.10.0-693.11.1.rt56.632.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-693.11.1.rt56.632.el7, kernel-rt-debug-3.10.0-693.11.1.rt56.632.el7, kernel-rt-debug-devel-3.10.0-693.11.1.rt56.632.el7 +7
  • RHSA-2017:3295 Released 2017-11-30 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.11.1.rt56.597.el6rt, kernel-rt-debug-1:3.10.0-693.11.1.rt56.597.el6rt, kernel-rt-debug-devel-1:3.10.0-693.11.1.rt56.597.el6rt +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2017:3322
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2017:3315
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2017:3322
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2017:3295

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-1000380
  2. 2026-10-03 Alias added: GHSA-xfwq-gq62-2hc2

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