CVE-2024-42155: s390/pkey: Wipe copies of protected- and secure-keys
Vulnerability summary
CVE-2024-42155 is a low (CVSS 1.9) vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.6% of scored vulnerabilities.
Not severe (CVSS 1.9, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 21Timeline
- 30-07-2024PublishedVulnerability first disclosed.
- 30-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Wipe copies of protected- and secure-keys Although the clear-key of neither protected- nor secure-keys is accessible, this key material should only be visible to the calling process. So wipe all copies of protected- or secure-keys from stack, even in case of an error.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated1.9LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated1.9LowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
18%
Versus all other CVEs
30-day change
Increase +0.07 pp
From 0.19% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu129 products
- linuxAll versions (No fix recorded) | < 6.8.0-48.48
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1018.20
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e80d4af0a320972aac58e2004d0ba4e44ef4c5c7, < 016dbf1a1ae1d13fca8589f884a296854c1756db | ≥ e80d4af0a320972aac58e2004d0ba4e44ef4c5c7, < 7d5711e03cefd59da4d198ca02d4f8238ba1105c | ≥ e80d4af0a320972aac58e2004d0ba4e44ef4c5c7, < c746f7ced4ad88ee48d0b6c92710e4674403185b | ≥ e80d4af0a320972aac58e2004d0ba4e44ef4c5c7, < f2ebdadd85af4f4d0cae1e5d009c70eccc78c207 | 4.11
- linux_kernel≥ 4.11, < 6.9.9
Debian1 product
- linuxAll versions (No fix recorded) | < 6.9.9-1
3 vendors · 132 products
