7.8

CVE-2023-52524: net: nfc: llcp: Add lock when modifying device list

Analyzed
AliasesUBUNTU-CVE-2023-52524DEBIAN-CVE-2023-52524
Published 02-03-2024Last modified 23-05-2026

Vulnerability summary

CVE-2023-52524 is a high (CVSS 7.8) Improper Locking vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 8.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 18
SUSE-SU-2024:1320-1SUSE-SU-2024:1321-1SUSE-SU-2024:1466-1SUSE-SU-2024:1480-1SUSE-SU-2024:1490-1SUSE-SU-2024:1643-1

Timeline

  1. 02-03-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.18% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu114 products
  • linux< 4.4.0-254.288 | < 4.15.0-225.237 | < 5.4.0-171.189 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1131.137 | < 4.4.0-1169.184 | < 4.15.0-1168.181 | < 5.4.0-1118.128 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ dd6ff3f3862709ab1a12566e73b9d6a9b8f6e548, < 191d87a19cf1005ecf41e1ae08d74e17379e8391 | ≥ 96f2c6f272ec04083d828de46285a7d7b17d1aad, < dba849cc98113b145c6e720122942c00b8012bdb | ≥ fc8429f8d86801f092fbfbd257c3af821ac0dcd3, < 4837a192f6d06d5bb2f3f47d6ce5353ab69bf86b | ≥ 425d9d3a92df7d96b3cfb7ee5c240293a21cbde3, < 7562780e32b84196731d57dd24563546fcf6d082 | ≥ 6709d4b7bc2e079241fdef15d1160581c5261c10, < 29c16c2bf5866326d5fbc4a537b3997fcac23391 | ≥ 6709d4b7bc2e079241fdef15d1160581c5261c10, < dfc7f7a988dad34c3bf4c053124fb26aa6c5f916 | b3ad46e155a6d91b36c6e892019a43e3ef3c696d | e5207c1d69b1a9707615ab6ff9376e59fc096815 | ≥ 5.4.251, < 5.4.258 | ≥ 5.10.188, < 5.10.198 | ≥ 5.15.121, < 5.15.135 | ≥ 6.1.39, < 6.1.57 | ≥ 6.3.13, < 6.4 | ≥ 6.4.4, < 6.5 | 6.5
  • linux_kernel≥ 5.4.251, < 5.4.258 | ≥ 5.10.188, < 5.10.198 | ≥ 5.15.121, < 5.15.135 | ≥ 6.1.39, < 6.1.57 | ≥ 6.5, < 6.5.7 | 6.6:rc1 | 6.6:rc2 | 6.6:rc3 | 6.6:rc4
Debian1 product
  • linux< 6.1.64-1 | < 6.5.8-1

3 vendors · 117 products

References

15 links
Show all 15 references