proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al
In the Linux kernel, the following vulnerability has been resolved: proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario. It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same manner.
CVE-2025-38653
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-2025-38653
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": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "c35b0feb80b48720dfbbf4e33759c7be3faaebb6",
"versionType": "git"
},
{
"status": "affected",
"version": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "33c778ea0bd0fa62ff590497e72562ff90f82b13",
"versionType": "git"
},
{
"status": "affected",
"version": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "fc1072d934f687e1221d685cf1a49a5068318f34",
"versionType": "git"
},
{
"status": "affected",
"version": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "d136502e04d8853a9aecb335d07bbefd7a1519a8",
"versionType": "git"
},
{
"status": "affected",
"version": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "1fccbfbae1dd36198dc47feac696563244ad81d3",
"versionType": "git"
},
{
"status": "affected",
"version": "3f61631d47f115b83c935d0039f95cb68b0c8ab7",
"lessThan": "ff7ec8dc1b646296f8d94c39339e8d3833d16c05",
"versionType": "git"
}
],
"programFiles": [
"fs/proc/generic.c",
"fs/proc/inode.c",
"fs/proc/internal.h",
"include/linux/proc_fs.h"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.0"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.148",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.102",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.42",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.15.10",
"versionType": "semver",
"lessThanOrEqual": "6.15.*"
},
{
"status": "unaffected",
"version": "6.16.1",
"versionType": "semver",
"lessThanOrEqual": "6.16.*"
},
{
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/proc/generic.c",
"fs/proc/inode.c",
"fs/proc/internal.h",
"include/linux/proc_fs.h"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2025-38653
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30605 · Revision 1
- Added to Heist Feed
- Publisher date