MediumFix available
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.19.270, 5.10.163, 5.15.86, 5.4.229, 6.0.16, 6.1.2
- CVEs
- CVE-2022-50402
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 01:01 UTC · Revision 1
Source evidence
drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()
core-osv · Original sourcePublished 18 Sept 2025, 16:03 UTC
In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference
osv:CVE-2022-50402
Kernel
Fixed versions: 4.19.270, 5.4.229, 5.10.163, 5.15.86, 6.0.16, 6.1.2
Complete source record
{
"id": "5cb5922494e794840f90521a93af44330879795b3d97f4fe92ef85d345f8e59e",
"url": "https://osv.dev/vulnerability/CVE-2022-50402",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "drivers/md/md-bitmap: check the return value of md_bitmap_get_counter()",
"summary": "In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference",
"evidence": "osv:CVE-2022-50402",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
{
"value": "4.19.270",
"evidence": "/affected/1/ranges"
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{
"value": "5.4.229",
"evidence": "/affected/1/ranges"
},
{
"value": "5.10.163",
"evidence": "/affected/1/ranges"
},
{
"value": "5.15.86",
"evidence": "/affected/1/ranges"
},
{
"value": "6.0.16",
"evidence": "/affected/1/ranges"
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{
"value": "6.1.2",
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"affected_versions": []
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],
"severity": "medium",
"structured": {
"id": "CVE-2022-50402",
"aliases": [
"CVE-2022-50402"
],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"type": "GIT",
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{
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"events": [
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{
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},
{
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"events": [
{
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{
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},
{
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"events": [
{
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{
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{
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"events": [
{
"introduced": "6.1.0"
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{
"fixed": "6.1.2"
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],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50402.json"
}
}
],
"modified": "2026-10-28T02:30:48.875875718Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/100caacfa0ed26e061954c90cdc835d42f709536",
"https://git.kernel.org/stable/c/21e9aac9a74d30907d44bae0d24c036cb3819406",
"https://git.kernel.org/stable/c/3bd548e5b819b8c0f2c9085de775c5c7bff9052f",
"https://git.kernel.org/stable/c/5d8d046f3dba939e74e2414f009df426700430ed",
"https://git.kernel.org/stable/c/99bef41f8e8d1d52b5cb34f2f193f1346192752b",
"https://git.kernel.org/stable/c/b621d17fe8b079574c773800148fb86907f3445d",
"https://git.kernel.org/stable/c/ff3b7e12bc9f50de05c9d82b5b79e23e5be888f1",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-50402",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50402.json"
}
},
"related_cves": [
{
"value": "CVE-2022-50402",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 516814,
"published_at": "2025-09-18T16:03:48.184+00:00"
}