SUNRPC: lock against ->sock changing during sysfs read
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: lock against ->sock changing during sysfs read ->sock can be set to NULL asynchronously unless ->recv_mutex is held. So it is important to hold that mutex. Otherwise a sysfs read can trigger an oops. Commit 17f09d3f619a ("SUNRPC: Check if the xprt is connected before handling sysfs reads") appears to attempt to fix this problem, but it only narrows the race window.
CVE-2022-48816
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-2022-48816
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": "21a2be1a5145d072deedc7cdc5b2d17380abea75",
"lessThan": "cd366b9091a3e6ed8229e4b908e895d20b527dc0",
"versionType": "git"
},
{
"status": "affected",
"version": "a8482488a7d6d320f63a9ee1912dbb5ae5b80a61",
"lessThan": "fdc42287ae3f8a35cc2098307f52d7864b4bc8ed",
"versionType": "git"
},
{
"status": "affected",
"version": "a8482488a7d6d320f63a9ee1912dbb5ae5b80a61",
"lessThan": "9482ab4540f5bcc869b44c067ae99b5fca16bd07",
"versionType": "git"
},
{
"status": "affected",
"version": "a8482488a7d6d320f63a9ee1912dbb5ae5b80a61",
"lessThan": "b49ea673e119f59c71645e2f65b3ccad857c90ee",
"versionType": "git"
},
{
"status": "affected",
"version": "77876473912d1bf1ed16bffa1674e5ff0f499f25",
"versionType": "git"
},
{
"status": "affected",
"version": "5.10.67",
"lessThan": "5.10.271",
"versionType": "semver"
},
{
"status": "affected",
"version": "5.13.19",
"lessThan": "5.14",
"versionType": "semver"
}
],
"programFiles": [
"net/sunrpc/sysfs.c",
"net/sunrpc/xprtsock.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.14",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.271",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.209",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "5.16.10",
"versionType": "semver",
"lessThanOrEqual": "5.16.*"
},
{
"status": "unaffected",
"version": "5.17",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"net/sunrpc/sysfs.c",
"net/sunrpc/xprtsock.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2022-48816
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #8208 · Revision 1
- Added to Heist Feed
- Publisher date