Unrated
ring-buffer: Free cpu_buffer::free_page with subbuf_order
In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Free cpu_buffer::free_page with subbuf_order When sub-buffers use an order greater than 0, cpu_buffer->free_page is allocated with subbuf_order. Use the correct order for cpu_buffer->free_page.
Announced Group revision 1
Original source ↗CVE-2026-89502
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-2026-89502
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": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
"lessThan": "77275ccea06eaf297e8e6ac3fc830cb72086379a",
"versionType": "git"
},
{
"status": "affected",
"version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
"lessThan": "8c1ecdcdea738efe0494af908f12c0ae3a97fffa",
"versionType": "git"
},
{
"status": "affected",
"version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
"lessThan": "81063bbb16c4fcf0136c9117d5e49d3621dd6a1e",
"versionType": "git"
},
{
"status": "affected",
"version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
"lessThan": "234b1a72e9706fe20c08c96f4374ec8e83b934cb",
"versionType": "git"
}
],
"programFiles": [
"kernel/trace/ring_buffer.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.8"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.8",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.109",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.50",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.4",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/trace/ring_buffer.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-89502
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #35028 · Revision 1
- Added to Heist Feed
- Publisher date