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CVE-2022-50819 udmabuf: Set ubuf->sg = NULL if the creation of sg table fails

🗓️ 30 Dec 2025 12:08:34Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 48 Views

CVE-2022-50819: udmabuf sets ubuf sg to NULL if sg table creation fails to prevent release crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC
Linux begin_cpu_udmabuf Heap Buffer Overflow DoS
3 Feb 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
30 Dec 202500:00
–cnnvd
cve
CVE
CVE-2022-50819
30 Dec 202512:08
–cve
debiancve
Debian CVE
CVE-2022-50819
30 Dec 202512:08
–debiancve
euvd
EUVD
EUVD-2022-55879
30 Dec 202515:30
–euvd
nvd
NVD
CVE-2022-50819
30 Dec 202513:15
–nvd
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2026:0317-1)
2 Feb 202600:00
–openvas
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2026:0617-1)
26 Feb 202600:00
–openvas
osv_cve
osv_cve
CVE-2022-50819 udmabuf: Set ubuf->sg = NULL if the creation of sg table fails
30 Dec 202512:08
–osv_cve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/udmabuf.c"
    ],
    "versions": [
      {
        "version": "284562e1f34874e267d4f499362c3816f8f6bc3f",
        "lessThan": "bbe2f6f90310b3a0b5de4e0dc022b36faabfd718",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "284562e1f34874e267d4f499362c3816f8f6bc3f",
        "lessThan": "dfbed8c92eb853929f4fa676ba493391dab47be4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "284562e1f34874e267d4f499362c3816f8f6bc3f",
        "lessThan": "fc285549f454c0f50f87ec945fc0bf44719c0fa4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "284562e1f34874e267d4f499362c3816f8f6bc3f",
        "lessThan": "9861e43f097a50678041f973347b3a88f2da09cf",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "284562e1f34874e267d4f499362c3816f8f6bc3f",
        "lessThan": "d9c04a1b7a15b5e74b2977461d9511e497f05d8f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/udmabuf.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.150",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.75",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19.17",
        "lessThanOrEqual": "5.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.0.3",
        "lessThanOrEqual": "6.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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