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CVE-2025-39822 io_uring/kbuf: fix signedness in this_len calculation

🗓️ 16 Sep 2025 13:00:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 6 Views

CVE-2025-39822 fixes signedness in this_len for io_uring kbuf by using an unsigned min_t.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2025-39822
16 Sep 202513:00
attackerkb
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
3 May 202623:59
astralinux
Chainguard
CVE-2025-39822 vulnerabilities
2 Feb 202613:17
cgr
CNNVD
Linux kernel 安全漏洞
16 Sep 202500:00
cnnvd
CVE
CVE-2025-39822
16 Sep 202513:00
cve
Debian CVE
CVE-2025-39822
16 Sep 202513:00
debiancve
EUVD
EUVD-2025-29592
3 Oct 202520:07
euvd
NVD
CVE-2025-39822
16 Sep 202513:15
nvd
Tenable Nessus
openSUSE 16 Security Update : kernel (openSUSE-SU-2025:20172-1)
24 Dec 202500:00
nessus
Tenable Nessus
SUSE SLED15 / SLES15 Security Update : kernel (SUSE-SU-2025:4393-1)
16 Dec 202500:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/kbuf.c"
    ],
    "versions": [
      {
        "version": "cf9536e550dd243a1681fdbf804221527da20a80",
        "lessThan": "f4f411c068402c370c4f9a9d4950a97af97bbbb1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cf9536e550dd243a1681fdbf804221527da20a80",
        "lessThan": "c64eff368ac676e8540344d27a3de47e0ad90d21",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "io_uring/kbuf.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.16.5",
        "lessThanOrEqual": "6.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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