Riskcovery

CVE-2023-52669

crypto: s390/aes - Fix buffer overread in CTR mode

State
Published
Severity
8.2 High
Published
May 17, 2024
Updated
Aug 5, 2026
Reserved
Mar 7, 2024

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.18.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before cd51e26a3b89706beec64f2d8296cfb1c34e0c79Affected
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before a7f580cdb42ec3d53bbb7c4e4335a98423703285Affected
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before dbc9a791a70ea47be9f2acf251700fe254a2ab23Affected
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before d68ac38895e84446848b7647ab9458d54cacba3eAffected
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before e78f1a43e72daf77705ad5b9946de66fc708b874Affected
  • 0200f3ecc19660bebeabbcbaf212957fcf1dbf8f to before d07f951903fa9922c375b8ab1ce81b18a0034e3bAffected
LinuxLinux
  • 3.0Affected
  • before 3.0Not affected
  • 5.10.210 through 5.10.*Not affected
  • 5.15.149 through 5.15.*Not affected
  • 6.1.76 through 6.1.*Not affected
  • 6.6.15 through 6.6.*Not affected
  • 6.7.3 through 6.7.*Not affected
  • 6.8 and laterNot affected

References

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