CVE-2023-52669: debian debian_linux Out-of-bounds Write
Vulnerability summary
CVE-2023-52669 is a high (CVSS 8.2) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.68% chance of exploitation in the next 30 days, higher than 51.6% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 21 · Related 21Timeline
- 17-05-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: s390/aes - Fix buffer overread in CTR mode When processing the last block, the s390 ctr code will always read a whole block, even if there isn't a whole block of data left. Fix this by using the actual length left and copy it into a buffer first for processing.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.68%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.68% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu116 products
- linuxAll versions (No fix recorded) | < 5.15.0-106.116
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1061.67
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.76-1 | < 6.6.15-1
- debian_linuxEOL10.0
Linux2 products
- linux≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < cd51e26a3b89706beec64f2d8296cfb1c34e0c79 | ≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < a7f580cdb42ec3d53bbb7c4e4335a98423703285 | ≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < dbc9a791a70ea47be9f2acf251700fe254a2ab23 | ≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < d68ac38895e84446848b7647ab9458d54cacba3e | ≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < e78f1a43e72daf77705ad5b9946de66fc708b874 | ≥ 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f, < d07f951903fa9922c375b8ab1ce81b18a0034e3b | 3.0
- linux_kernel≥ 3.0, < 5.10.210 | ≥ 5.11, < 5.15.149 | ≥ 5.16, < 6.1.76 | ≥ 6.2, < 6.6.15 | ≥ 6.7, < 6.7.3
3 vendors · 120 products
