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CVE-2026-63951 zram: fix use-after-free in zram_writeback_endio

🗓️ 19 Jul 2026 14:55:44Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

CVE-2026-63951 zram fix use-after-free in zram_writeback_endio via RCU protection of wb_ctl.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63951
19 Jul 202614:55
cve
Debian CVE
CVE-2026-63951
19 Jul 202614:55
debiancve
EUVD
EUVD-2026-45724
19 Jul 202614:55
euvd
NVD
CVE-2026-63951
19 Jul 202616:17
nvd
OSV
CVE-2026-63951 zram: fix use-after-free in zram_writeback_endio
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63951
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63951
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61268
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-63951
21 Jul 202622:26
redhatcve
SUSE CVE
SUSE CVE-2026-63951
21 Jul 202613:02
susecve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/block/zram/zram_drv.c"
    ],
    "versions": [
      {
        "version": "f405066a1f0db818270f49a5e96be329bcabde1e",
        "lessThan": "ebe2cbefc86291fa7f386447a81995640df4e2fd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f405066a1f0db818270f49a5e96be329bcabde1e",
        "lessThan": "bf62f69574b19720ae5fbbbcdf24a0c4e3e05e43",
        "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/block/zram/zram_drv.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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20 Jul 2026 13:41Current
CVSS 3.17.8
EPSS0.00165
28