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CVE-2026-63804 gfs2: fix use-after-free in gfs2_qd_dealloc

🗓️ 19 Jul 2026 12:02:09Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 43 Views

gfs2 use-after-free fixed by rcu_barrier before free_sbd in gfs2_put_super.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-63804
19 Jul 202612:02
attackerkb
circl
Circl
CVE-2026-63804
15 Sep 202612:46
circl
cve
CVE
CVE-2026-63804
19 Jul 202612:02
cve
debiancve
Debian CVE
CVE-2026-63804
19 Jul 202612:02
debiancve
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
4 Sep 202600:00
oraclelinux
euvd
EUVD
EUVD-2026-45470
19 Jul 202612:02
euvd
mageia
Mageia
Updated kernel, kmod, bluez, firmware, wireless-regdb and drakx-installer-images packages fix security vulnerabilities
1 Aug 202615:58
mageia
nvd
NVD
CVE-2026-63804
19 Jul 202612:16
nvd
opensuse
OPENSUSE Linux
kernel-devel-7.1.4-1.1 on GA media (moderate)
24 Jul 202600:00
opensuse
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/gfs2/super.c"
    ],
    "versions": [
      {
        "version": "a475c5dd16e57c570113eccba51955b5df8bb052",
        "lessThan": "4fe388218826df8607ae41a6305df67db08a9093",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a475c5dd16e57c570113eccba51955b5df8bb052",
        "lessThan": "8745d9f7e1682c39f0a1578895ac74205e2a6757",
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      },
      {
        "version": "a475c5dd16e57c570113eccba51955b5df8bb052",
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        "status": "affected",
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      },
      {
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        "status": "affected",
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      },
      {
        "version": "a475c5dd16e57c570113eccba51955b5df8bb052",
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        "status": "affected",
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    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/gfs2/super.c"
    ],
    "versions": [
      {
        "version": "6.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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