CVE-2026-63797

🗓️ 19 Jul 2026 12:02:05Reported by LinuxType

Fix use after free in rpmsg character device on probe error path by delaying eptdev publication until add succeeds.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-63797	19 Jul 202612:02	–	attackerkb
Cvelist	CVE-2026-63797 rpmsg: char: Fix use-after-free on probe error path	19 Jul 202612:02	–	cvelist
EUVD	EUVD-2026-45463	19 Jul 202612:02	–	euvd
NVD	CVE-2026-63797	19 Jul 202612:16	–	nvd
OSV	CVE-2026-63797 rpmsg: char: Fix use-after-free on probe error path	19 Jul 202612:02	–	osv
OSV	DEBIAN-CVE-2026-63797	19 Jul 202615:48	–	osv
Positive Technologies	PT-2026-61113	19 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-63797	19 Jul 202617:35	–	susecve

Vulners

CNA

Node

linux linux_kernelRange5.18–6.6.144

linux linux_kernelRange6.7.0–6.12.95

linux linux_kernelRange6.13.0–6.18.38

linux linux_kernelRange6.19.0–7.1.3

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/rpmsg/rpmsg_char.c"
    ],
    "versions": [
      {
        "version": "bc69d10665690492421d926b1cd9a7a36bffd691",
        "lessThan": "ddf13f91ca82c94ef7ad9c41a434a03313f8eb1b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bc69d10665690492421d926b1cd9a7a36bffd691",
        "lessThan": "c5ebb06c7e24d531b68707168e04698859d642bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bc69d10665690492421d926b1cd9a7a36bffd691",
        "lessThan": "104d100212396801f1d9d388282f746e23e2bfd6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bc69d10665690492421d926b1cd9a7a36bffd691",
        "lessThan": "ff268cd9ccbce6472a0658791b417bf11c31ee39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bc69d10665690492421d926b1cd9a7a36bffd691",
        "lessThan": "1ff3f528e67d20e2b1483dcaba899dc7832b2e6b",
        "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/rpmsg/rpmsg_char.c"
    ],
    "versions": [
      {
        "version": "5.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.18",
        "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-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/c5ebb06c7e24d531b68707168e04698859d642bc
git	www.git.kernel.org/stable/c/ff268cd9ccbce6472a0658791b417bf11c31ee39
git	www.git.kernel.org/stable/c/104d100212396801f1d9d388282f746e23e2bfd6
git	www.git.kernel.org/stable/c/ddf13f91ca82c94ef7ad9c41a434a03313f8eb1b
git	www.git.kernel.org/stable/c/1ff3f528e67d20e2b1483dcaba899dc7832b2e6b

19 Jul 2026 12:16Current

5.4Medium risk

Vulners AI Score5.4