CVE-2023-53802

🗓️ 09 Dec 2025 00:00:58Reported by LinuxType

Vulnerability in ath9k_htc_rx_msg frees skb only when a callback exists; otherwise it leaks memory.

Reporter	Title	Published	Views	Family All 38
AstraLinux	Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15	15 Oct 202615:53	–	astralinux
CNNVD	Linux Kernel Security Vulnerabilities	9 Dec 202500:00	–	cnnvd
Cvelist	CVE-2023-53802 wifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function	9 Dec 202500:00	–	cvelist
Debian CVE	CVE-2023-53802	9 Dec 202500:00	–	debiancve
EUVD	EUVD-2023-60104	9 Dec 202503:31	–	euvd
NVD	CVE-2023-53802	9 Dec 202501:16	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2026:1078-1)	30 Mar 202600:00	–	openvas
osv_bell	BELL-CVE-2023-53802	10 Dec 202506:07	–	osv_bell
osv_clsa	CLSA-2026-1792977831 kernel: Fix of 118 CVEs	26 Oct 202601:25	–	osv_clsa
osv_clsa	CLSA-2026-1792979087 kernel: Fix of 118 CVEs	26 Oct 202601:46	–	osv_clsa

Vulners

CNA

Node

linux linux_kernelRange2.6.35–4.14.308

linux linux_kernelRange4.15.0–4.19.276

linux linux_kernelRange4.20.0–5.4.235

linux linux_kernelRange5.5.0–5.10.173

linux linux_kernelRange5.11.0–5.15.99

linux linux_kernelRange5.16.0–6.1.16

linux linux_kernelRange6.2.0–6.2.3

linux linux_kernelRange6.3.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/net/wireless/ath/ath9k/htc_hst.c"
    ],
    "versions": [
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "b11f95f65cc52ee3a756e6f6a88df37a203e25bd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "68171c006c8645a3e0293a6c3e6037c6538ac1c5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "564bc2222bf50eb6cdee715a5431bf4dc9f923c1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "ec246dfe006b2a8f36353f7489e4f525114db9a5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "c0c0614f143b568cd0e9525d53cf12e5dcd11987",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "5a84e51f72580fc70066b03f3dac38421e702a0b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "bbfababb4f899fe1556eac195f9774b6fe675fb6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fb9987d0f748c983bb795a86f47522313f701a08",
        "lessThan": "9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69",
        "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/ath/ath9k/htc_hst.c"
    ],
    "versions": [
      {
        "version": "2.6.35",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.35",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.14.308",
        "lessThanOrEqual": "4.14.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "4.19.276",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.235",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.173",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.99",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.16",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.3",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69
git	www.git.kernel.org/stable/c/68171c006c8645a3e0293a6c3e6037c6538ac1c5
git	www.git.kernel.org/stable/c/ec246dfe006b2a8f36353f7489e4f525114db9a5
git	www.git.kernel.org/stable/c/5a84e51f72580fc70066b03f3dac38421e702a0b
git	www.git.kernel.org/stable/c/c0c0614f143b568cd0e9525d53cf12e5dcd11987
git	www.git.kernel.org/stable/c/564bc2222bf50eb6cdee715a5431bf4dc9f923c1
git	www.git.kernel.org/stable/c/bbfababb4f899fe1556eac195f9774b6fe675fb6
git	www.git.kernel.org/stable/c/b11f95f65cc52ee3a756e6f6a88df37a203e25bd

17 Jun 2026 06:46Current

6.1Medium risk

Vulners AI Score6.1

EPSS0.00195