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TI-2023-13006 Aliases CVE-2023-28466GHSA-wp8x-2wq9-8f64

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a…

Priority LOW 33CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
Denial of service
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-476.

Summary

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00272 19th percentileScored 2026-11-07
Fix Fixed Red Hat: 7 advisories

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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*4.13 – 5.4.240; 5.5 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.20; 6.2 to before 6.2.7VulnerableLinux
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.13 – 5.4.240; 5.5 to before 5.10.177; 5.11 to before 5.15.105; 5.16 to before 6.1.20; 6.2 to before 6.2.7 Vulnerable ·Linux
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian

Remediation

Red Hat 7 advisories

  • RHSA-2023:4801 Released 2023-08-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v.9.0) kernel-tools-libs-devel-5.14.0-70.70.1.el9_0
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) kernel-debug-devel-5.14.0-70.70.1.el9_0, kernel-debug-devel-matched-5.14.0-70.70.1.el9_0, kernel-devel-5.14.0-70.70.1.el9_0 +5
    • Red Hat Enterprise Linux BaseOS EUS (v.9.0) bpftool-5.14.0-70.70.1.el9_0, kernel-5.14.0-70.70.1.el9_0, kernel-abi-stablelists-5.14.0-70.70.1.el9_0 +14
  • RHSA-2023:4814 Released 2023-08-29 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v.9.0) kernel-rt-5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-core-5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-5.14.0-70.70.1.rt21.141.el9_0 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) kernel-rt-5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-core-5.14.0-70.70.1.rt21.141.el9_0, kernel-rt-debug-5.14.0-70.70.1.rt21.141.el9_0 +9
  • RHSA-2023:4789 Released 2023-08-29 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder EUS (v.8.6) kernel-tools-libs-devel-4.18.0-372.70.1.el8_6
    • Red Hat Enterprise Linux BaseOS EUS (v.8.6) bpftool-4.18.0-372.70.1.el8_6, kernel-4.18.0-372.70.1.el8_6, kernel-abi-stablelists-4.18.0-372.70.1.el8_6 +19
    • Red Hat Virtualization 4 Hypervisor for RHEL 8 kernel-devel-4.18.0-372.70.1.el8_6, perf-4.18.0-372.70.1.el8_6
Show 4 more Red Hat advisories
  • RHSA-2023:3819 Released 2023-06-27 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-477.15.1.rt7.278.el8_8, kernel-rt-core-4.18.0-477.15.1.rt7.278.el8_8, kernel-rt-debug-4.18.0-477.15.1.rt7.278.el8_8 +9
    • Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-477.15.1.rt7.278.el8_8, kernel-rt-core-4.18.0-477.15.1.rt7.278.el8_8, kernel-rt-debug-4.18.0-477.15.1.rt7.278.el8_8 +7
  • RHSA-2023:3847 Released 2023-06-27 · Red Hat rating Moderate
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-477.15.1.el8_8, kernel-4.18.0-477.15.1.el8_8, kernel-abi-stablelists-4.18.0-477.15.1.el8_8 +19
    • Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-477.15.1.el8_8
  • RHSA-2023:3708 Released 2023-06-21 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux NFV (v. 9) kernel-rt-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-5.14.0-284.18.1.rt14.303.el9_2 +11
    • Red Hat Enterprise Linux RT (v. 9) kernel-rt-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-core-5.14.0-284.18.1.rt14.303.el9_2, kernel-rt-debug-5.14.0-284.18.1.rt14.303.el9_2 +9
  • RHSA-2023:3723 Released 2023-06-21 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.18.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.18.1.el9_2, kernel-64k-devel-5.14.0-284.18.1.el9_2 +10
    • Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.18.1.el9_2, kernel-5.14.0-284.18.1.el9_2, kernel-64k-5.14.0-284.18.1.el9_2 +29
    • Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.18.1.el9_2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat CodeReady Linux Builder EUS (v.8.6)Fixed RHSA-2023:4789
Red Hat CodeReady Linux Builder EUS (v.9.0)Fixed RHSA-2023:4801
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:4801
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2023:3847
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux BaseOS EUS (v.8.6)Fixed RHSA-2023:4789
Red Hat Enterprise Linux BaseOS EUS (v.9.0)Fixed RHSA-2023:4801
Red Hat Enterprise Linux CRB (v. 8)Fixed RHSA-2023:3847
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2023:3723
Red Hat Enterprise Linux NFV (v. 8)Fixed RHSA-2023:3819
Red Hat Enterprise Linux NFV (v. 9)Fixed RHSA-2023:3708
Red Hat Enterprise Linux RT (v. 8)Fixed RHSA-2023:3819
Red Hat Enterprise Linux RT (v. 9)Fixed RHSA-2023:3708
Red Hat Enterprise Linux Real Time EUS (v.9.0)Fixed RHSA-2023:4814
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0)Fixed RHSA-2023:4814
Red Hat Virtualization 4 Hypervisor for RHEL 8Fixed RHSA-2023:4789
Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux AppStream (v. 9)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28466
  2. 2026-10-03 Alias added: GHSA-wp8x-2wq9-8f64

References

Patch 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences