In the Linux kernel, the following vulnerability has been resolved:
f2fs: compress: fix to cover normal cluster write with cp_rwsem
When we overwrite compressed cluster w/ normal cluster, we should
not unlock cp_rwsem during f2fs_write_raw_pages(), otherwise data
will be corrupted if partial blocks were persisted before CP & SPOR,
due to cluster metadata wasn’t updated atomically.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "4c8ff7095bef",
"lessThan": "7d420eaaa18e",
"versionType": "git"
},
{
"status": "affected",
"version": "4c8ff7095bef",
"lessThan": "542c8b3c774a",
"versionType": "git"
},
{
"status": "affected",
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"lessThan": "75abfd61392b",
"versionType": "git"
},
{
"status": "affected",
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"lessThan": "2b1b14d9fc94",
"versionType": "git"
},
{
"status": "affected",
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"lessThan": "52982edfcefd",
"versionType": "git"
},
{
"status": "affected",
"version": "4c8ff7095bef",
"lessThan": "fd244524c2cf",
"versionType": "git"
}
],
"programFiles": [
"fs/f2fs/compress.c",
"fs/f2fs/data.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.6"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.6",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "5.15.153",
"versionType": "custom",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.83",
"versionType": "custom",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.23",
"versionType": "custom",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.7.11",
"versionType": "custom",
"lessThanOrEqual": "6.7.*"
},
{
"status": "unaffected",
"version": "6.8.2",
"versionType": "custom",
"lessThanOrEqual": "6.8.*"
},
{
"status": "unaffected",
"version": "6.9",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/f2fs/compress.c",
"fs/f2fs/data.c"
],
"defaultStatus": "affected"
}
]
git.kernel.org/stable/c/2b1b14d9fc94b8feae20808684c8af28ec80f45b
git.kernel.org/stable/c/52982edfcefd475cc34af663d5c47c0cddaa5739
git.kernel.org/stable/c/542c8b3c774a480bfd0804291a12f6f2391b0cd1
git.kernel.org/stable/c/75abfd61392b1db391bde6d738a30d685b843286
git.kernel.org/stable/c/7d420eaaa18ec8e2bb4eeab8c65c00492ef6f416
git.kernel.org/stable/c/fd244524c2cf07b5f4c3fe8abd6a99225c76544b