jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
CVE-2022-50328
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-2022-50328
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": "ff780b91efe901b8eecd8114785abae5341820ad",
"lessThan": "1d4d16daec2a6689b6d3fbfc7d2078643adc6619",
"versionType": "git"
},
{
"status": "affected",
"version": "ff780b91efe901b8eecd8114785abae5341820ad",
"lessThan": "d11d2ded293976a1a0d9d9471827a44dc9e3c63f",
"versionType": "git"
},
{
"status": "affected",
"version": "ff780b91efe901b8eecd8114785abae5341820ad",
"lessThan": "2e6d9f381c1ed844531a577783fc352de7a44c8a",
"versionType": "git"
},
{
"status": "affected",
"version": "ff780b91efe901b8eecd8114785abae5341820ad",
"lessThan": "effd9b3c029ecdd853a11933dcf857f5a7ca8c3d",
"versionType": "git"
},
{
"status": "affected",
"version": "ff780b91efe901b8eecd8114785abae5341820ad",
"lessThan": "243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd",
"versionType": "git"
}
],
"programFiles": [
"fs/jbd2/journal.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.10"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.10",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.150",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.75",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "5.19.17",
"versionType": "semver",
"lessThanOrEqual": "5.19.*"
},
{
"status": "unaffected",
"version": "6.0.3",
"versionType": "semver",
"lessThanOrEqual": "6.0.*"
},
{
"status": "unaffected",
"version": "6.1",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/jbd2/journal.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2022-50328
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30213 · Revision 1
- Added to Heist Feed
- Publisher date