CVE-2025-68362 wifi: rtl818x: rtl8187: Fix potential buffer underflow in rtl8187_rx_cb()

🗓️ 24 Dec 2025 10:32:50Reported by LinuxType

Fix buffer underflow in rtl8187_rx_cb by validating packet length before header access and dropping truncated packets.

Reporter	Title	Published	Views	Family All 222
ATTACKERKB	CVE-2025-68362	24 Dec 202510:32	–	attackerkb
AstraLinux	Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1	20 May 202605:53	–	astralinux
BDU FSTEC	The vulnerability of the rtl8187_rx_cb() function in the drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c file of the wireless adapter driver module developed by Realtek for the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.	2 Mar 202600:00	–	bdu_fstec
CBLMariner	CVE-2025-68362 affecting package kernel for versions less than 6.6.121.1-1	9 Feb 202623:37	–	cbl_mariner
Circl	CVE-2025-68362	19 Mar 202600:00	–	circl
CNNVD	Linux kernel 安全漏洞	24 Dec 202500:00	–	cnnvd
CVE	CVE-2025-68362	24 Dec 202510:32	–	cve
Debian	[SECURITY] [DLA 4475-1] linux security update	11 Feb 202612:47	–	debian
Debian	[SECURITY] [DLA 4476-1] linux-6.1 security update	11 Feb 202612:48	–	debian
Debian	[SECURITY] [DSA 6127-1] linux security update	9 Feb 202619:19	–	debian

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/realtek/rtl818x/rtl8187/dev.c"
    ],
    "versions": [
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "118e12bf3e4288cf845cd3759bd9d4c99f91aab5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "6a96bd0d94305fd04a6ac64446ec113bae289384",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "e2f3ea15e804607e0a4a34a2f6c331c8750b68bc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "dc153401fb26c1640a2b279c47b65e1c416af276",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "4758770a673c60d8f615809304d72e1432fa6355",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "638d4148e166d114a4cd7becaae992ce1a815ed8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "5ebf0fe7eaef9f6173a4c6ea77c5353e21645d15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6f7853f3cbe457067e9fe05461f56c7ea4ac488c",
        "lessThan": "b647d2574e4583c2e3b0ab35568f60c88e910840",
        "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/net/wireless/realtek/rtl818x/rtl8187/dev.c"
    ],
    "versions": [
      {
        "version": "2.6.27",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.27",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.248",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.198",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.160",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.120",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.63",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.13",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.2",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/638d4148e166d114a4cd7becaae992ce1a815ed8
git	www.git.kernel.org/stable/c/6a96bd0d94305fd04a6ac64446ec113bae289384
git	www.git.kernel.org/stable/c/dc153401fb26c1640a2b279c47b65e1c416af276
git	www.git.kernel.org/stable/c/5ebf0fe7eaef9f6173a4c6ea77c5353e21645d15
git	www.git.kernel.org/stable/c/b647d2574e4583c2e3b0ab35568f60c88e910840
git	www.git.kernel.org/stable/c/118e12bf3e4288cf845cd3759bd9d4c99f91aab5
git	www.git.kernel.org/stable/c/e2f3ea15e804607e0a4a34a2f6c331c8750b68bc
git	www.git.kernel.org/stable/c/4758770a673c60d8f615809304d72e1432fa6355

11 May 2026 21:51Current

EPSS0.00177