iomap: Fix possible overflow condition in iomap_write_delalloc_scan
In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomap_write_delalloc_scan folio_next_index() returns an unsigned long value which left shifted by PAGE_SHIFT could possibly cause an overflow on 32-bit system. Instead use folio_pos(folio) + folio_size(folio), which does this correctly.
CVE-2023-54285
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-2023-54285
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": "38be53c3fd7f4f4bd5de319a323d72f9f6beb16d",
"lessThan": "0c6cf409093f307ee05114f834516730c0da5b21",
"versionType": "git"
},
{
"status": "affected",
"version": "f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78",
"lessThan": "5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240",
"versionType": "git"
},
{
"status": "affected",
"version": "f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78",
"lessThan": "eee2d2e6ea5550118170dbd5bb1316ceb38455fb",
"versionType": "git"
},
{
"status": "affected",
"version": "6.1.92",
"lessThan": "6.1.162",
"versionType": "semver"
}
],
"programFiles": [
"fs/iomap/buffered-io.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.2"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.1.162",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.5.5",
"versionType": "semver",
"lessThanOrEqual": "6.5.*"
},
{
"status": "unaffected",
"version": "6.6",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/iomap/buffered-io.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2023-54285
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30375 · Revision 1
- Added to Heist Feed
- Publisher date