Home/CVE/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 cond
CVE

CVE-2023-28466

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 cond

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).

HIGH · CVSS 7 EPSS 0.00022
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

11
linux kernel>= 4.13 and <= 5.4.240
linux kernel>= 5.5 and < 5.10.177
linux kernel>= 5.11 and < 5.15.105
linux kernel>= 5.16 and < 6.1.20
linux kernel>= 6.2 and < 6.2.7
netapp h300sall versions
netapp h410call versions
netapp h410sall versions
▣

Scoring & Timeline

7
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD16 Mar 2023 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
rhsaRHSA-2023:3723Moderate
rhsaRHSA-2023:4789Low
siemens-csafSSA-806742
rhsaRHSA-2023:4801Important
usnUSN-6385-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=49c47cc21b5b7a3d8deb18fc57b0aa2ab1286962Mailing ListPatch
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230427-0006/Third Party Advisory
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