CVE-2022-49218

🗓️ 26 Feb 2025 01:55:51Reported by LinuxType

cve🔗 web.nvd.nist.gov👁 102 Views🌐 WEB

Fixed OOB read in Linux kernel's Post Cursor2 register handling to prevent vulnerabilities.

Reporter	Title	Published	Views	Family All 31
BDU FSTEC	The vulnerability of the `drm_dp_get_adjust_request_post_cursor()` function in the `drivers/gpu/drm/drm_dp_helper.c` file of Linux kernel modules allows a hacker to gain unauthorized access to protected information or cause service failures.	25 Jun 202600:00	–	bdu_fstec
Circl	CVE-2022-49218	19 Mar 202600:00	–	circl
CNNVD	Linux kernel 安全漏洞	26 Feb 202500:00	–	cnnvd
Cvelist	CVE-2022-49218 drm/dp: Fix OOB read when handling Post Cursor2 register	26 Feb 202501:55	–	cvelist
Debian CVE	CVE-2022-49218	26 Feb 202501:55	–	debiancve
EUVD	EUVD-2022-55008	3 Oct 202520:07	–	euvd
Microsoft CVE	drm/dp: Fix OOB read when handling Post Cursor2 register	4 Sep 202501:25	–	mscve
NVD	CVE-2022-49218	26 Feb 202507:00	–	nvd
OpenVAS	SUSE: Security Advisory (SUSE-SU-2025:1027-1)	28 Mar 202500:00	–	openvas
OSV	AZL-58832 CVE-2022-49218 affecting package kernel 5.15.200.1-1	26 Feb 202507:00	–	osv

NVD

Vulners

CNA

Node

linux linux_kernelRange5.5–5.17.2

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/gpu/drm/dp/drm_dp.c",
      "drivers/gpu/drm/tegra/dp.c",
      "include/drm/dp/drm_dp_helper.h"
    ],
    "versions": [
      {
        "version": "79465e0ffeb9e4866939ea562bc55367be91e595",
        "lessThan": "aeaed9a9fe694f8b1462fb81e2d33298c929180b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "79465e0ffeb9e4866939ea562bc55367be91e595",
        "lessThan": "a2151490cc6c57b368d7974ffd447a8b36ade639",
        "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/gpu/drm/dp/drm_dp.c",
      "drivers/gpu/drm/tegra/dp.c",
      "include/drm/dp/drm_dp_helper.h"
    ],
    "versions": [
      {
        "version": "5.5",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.5",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.2",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/a2151490cc6c57b368d7974ffd447a8b36ade639
git	www.git.kernel.org/stable/c/aeaed9a9fe694f8b1462fb81e2d33298c929180b

Parameter	Position	Path	Description	CWE
link_status	path	drivers/gpu/drm/drm_dp_helper.c	Out-of-bounds read in drm_dp_get_adjust_request_post_cursor causing potential OOB access; fix replaces the common helper with an open-coded fetch to avoid reading beyond the status array	CWE-125
DP_LINK_STATUS_SIZE	path	drivers/gpu/drm/drm_dp_helper.c	Out-of-bounds read in drm_dp_get_adjust_request_post_cursor causing potential OOB access; fix replaces the common helper with an open-coded fetch to avoid reading beyond the status array	CWE-125
DP_LANE0_1_STATUS	path	drivers/gpu/drm/drm_dp_helper.c	Out-of-bounds read in drm_dp_get_adjust_request_post_cursor causing potential OOB access; fix replaces the common helper with an open-coded fetch to avoid reading beyond the status array	CWE-125

17 Jun 2026 05:17Current

5.3Medium risk

Vulners AI Score5.3

CVSS 3.17.1

EPSS0.0023

SSVC

CWE-125