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TI-2023-29385 Aliases CVE-2023-53084GHSA-f85v-8gvj-9xjf

drm/shmem-helper: Remove another errant put in error path

Priority LOW 35CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 2 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove another errant put in error path drm_gem_shmem_mmap() doesn't own reference in error code path, resulting in the dma-buf shmem GEM object getting prematurely freed leading to a later use-after-free.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00207 10th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10, 5.10.176, 5.15.104 +3Red Hat: 2 advisoriesRed Hat: 2 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinuxLinux5.9.5 to before 5.105.10Patch availableCNA
LinuxLinux5.10 and later5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3Patch availableCNA
  • Linux VendorLinux Affected 5.9.5 to before 5.10 Fixed in 5.10 Patch available CNA
  • Linux VendorLinux Affected 5.10 and later Fixed in 5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3 Patch available CNA

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*5.9.5 to before 5.10; 5.10.1 to before 5.10.176; 5.11 to before 5.15.104; 5.16 to before 6.1.21; 6.2 to before 6.2.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:*5.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc2:*:*:*:*:*:*5.10 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc3:*:*:*:*:*:*5.10 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc4:*:*:*:*:*:*5.10 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc5:*:*:*:*:*:*5.10 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc6:*:*:*:*:*:*5.10 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:5.10:rc7:*:*:*:*:*:*5.10 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*6.3 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*6.3 rc2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 5.9.5 to before 5.10; 5.10.1 to before 5.10.176; 5.11 to before 5.15.104; 5.16 to before 6.1.21; 6.2 to before 6.2.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:-:*:*:*:*:*:* Versions 5.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc2:*:*:*:*:*:* Versions 5.10 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc3:*:*:*:*:*:* Versions 5.10 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc4:*:*:*:*:*:* Versions 5.10 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc5:*:*:*:*:*:* Versions 5.10 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc6:*:*:*:*:*:* Versions 5.10 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:5.10:rc7:*:*:*:*:*:* Versions 5.10 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* Versions 6.3 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* Versions 6.3 rc2 Vulnerable ·Linux

Remediation

  • Fix · CNA Linux (Linux) Fixed in 5.10
  • Fix · CNA Linux (Linux) Fixed in 5.10.176, 5.15.104, 6.1.21, 6.2.8, 6.3

Red Hat 2 advisories

  • RHSA-2023:7077 Released 2023-11-14 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.5.1.el8_9
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.5.1.el8_9, kernel-4.18.0-513.5.1.el8_9, kernel-abi-stablelists-4.18.0-513.5.1.el8_9 +19
  • RHSA-2023:6583 Released 2023-11-07 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-362.8.1.el9_3, libperf-5.14.0-362.8.1.el9_3
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-362.8.1.el9_3, kernel-64k-debug-devel-matched-5.14.0-362.8.1.el9_3, kernel-64k-devel-5.14.0-362.8.1.el9_3 +11
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.2.0-362.8.1.el9_3, kernel-5.14.0-362.8.1.el9_3, kernel-64k-5.14.0-362.8.1.el9_3 +29
    • Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +9
    • Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-362.8.1.el9_3, kernel-rt-core-5.14.0-362.8.1.el9_3, kernel-rt-debug-5.14.0-362.8.1.el9_3 +11

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 9AffectedNo fix yet: Fix deferred
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2023:7077
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:7077
Not affected: 3 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-53084
  2. 2026-10-03 Alias added: GHSA-f85v-8gvj-9xjf
  3. 2026-10-16 CISA SSVC decision points changed

References

Patch 5

  • 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

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