ovl: Use "buf" flexible array for memcpy() destination
In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy() destination The "buf" flexible array needs to be the memcpy() destination to avoid false positive run-time warning from the recent FORTIFY_SOURCE hardening: memcpy: detected field-spanning write (size 93) of single field "&fh->fb" at fs/overlayfs/export.c:799 (size 21)
CVE-2022-49743
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-2022-49743
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": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
"lessThan": "012cdef22000f3104e4fa8224ad29fde509b8caf",
"versionType": "git"
},
{
"status": "affected",
"version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
"lessThan": "a77141a06367825d639ac51b04703d551163e36c",
"versionType": "git"
},
{
"status": "affected",
"version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
"lessThan": "07a96977b2f462337a9121302de64277b8747ab1",
"versionType": "git"
},
{
"status": "affected",
"version": "cbe7fba8edfc8cb8e621599e376f8ac5c224fa72",
"lessThan": "cf8aa9bf97cadf85745506c6a3e244b22c268d63",
"versionType": "git"
}
],
"programFiles": [
"fs/overlayfs/export.c",
"fs/overlayfs/overlayfs.h"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.5"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.5",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.10.248",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.93",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.11",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/overlayfs/export.c",
"fs/overlayfs/overlayfs.h"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2022-49743
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #30188 · Revision 1
- Added to Heist Feed
- Publisher date