s390/uv: Prevent potential out-of-bounds read
In the Linux kernel, the following vulnerability has been resolved: s390/uv: Prevent potential out-of-bounds read When the system has more than 85 secrets, the uv_secret_list struct array only holds up to 85 items per page, resulting in an out of bounds read in find_secret_in_page if the targeted secret is in the next page or not stored at all. Fix this by looping over the number of stored secrets which is the per sub-list count of stored secrets and not the overall count.
CVE-2026-98648
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-98648
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d",
"lessThan": "04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f",
"versionType": "git"
},
{
"status": "affected",
"version": "7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d",
"lessThan": "116bba758533a139bbede8d717a1371bd6d890f6",
"versionType": "git"
},
{
"status": "affected",
"version": "7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d",
"lessThan": "f47190b08b71e8482072978373ee88cb2dfbdaf4",
"versionType": "git"
}
],
"programFiles": [
"arch/s390/kernel/uv.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.13"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.13",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.55",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.9",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"arch/s390/kernel/uv.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98648
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #38668 · Revision 1
- Added to Heist Feed
- Publisher date