CVE-2023-52507: nfc: nci: assert requested protocol is valid
Vulnerability summary
CVE-2023-52507 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 12Timeline
- 02-03-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a shift-out-of-bounds and provide a clearer error for undefined protocols vs unsupported ones.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu114 products
- linuxAll versions (No fix recorded) | < 4.4.0-262.296 | < 4.15.0-232.244 | < 5.4.0-171.189 | < 5.15.0-94.104
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1139.145 | < 4.4.0-1177.192 | < 4.15.0-1176.189 | < 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≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 2c231a247a1d1628e41fa1eefd1a5307c41c5f53 | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < a686f84101680b8442181a8846fbd3c934653729 | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 95733ea130e35ef9ec5949a5908dde3feaba92cb | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < a424807d860ba816aaafc3064b46b456361c0802 | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 25dd54b95abfdca423b65a4ee620a774777d8213 | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 853dda54ba59ea70d5580a298b7ede4707826848 | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 6584eba7688dcf999542778b07f63828c21521da | ≥ 6a2968aaf50c7a22fced77a5e24aa636281efca8, < 354a6e707e29cb0c007176ee5b8db8be7bd2dee0 | 3.2
- linux_kernel≥ 3.2, < 4.14.328 | ≥ 4.15, < 4.19.297 | ≥ 4.20, < 5.4.259 | ≥ 5.5, < 5.10.199 | ≥ 5.11, < 5.15.136 | ≥ 5.16, < 6.1.59 | ≥ 6.2, < 6.5.8 | 6.6:rc1 | 6.6:rc2 | 6.6:rc3 | 6.6:rc4 | 6.6:rc5
Debian1 product
- linux< 6.1.64-1 | < 6.5.8-1
3 vendors · 117 products