CVE-2022-49084 (GCVE-0-2022-49084)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:54 – Updated: 2026-08-05 08:53
VLAI
Title
qede: confirm skb is allocated before using
Summary
In the Linux kernel, the following vulnerability has been resolved: qede: confirm skb is allocated before using qede_build_skb() assumes build_skb() always works and goes straight to skb_reserve(). However, build_skb() can fail under memory pressure. This results in a kernel panic because the skb to reserve is NULL. Add a check in case build_skb() failed to allocate and return NULL. The NULL return is handled correctly in callers to qede_build_skb().
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < 9648adb1b3ece55c657d3a4f52bfee663b710dfe (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < 034a92c6a81048128fc7b18d278d52438a13902a (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < 8928239e5e2e460d95b8a0b89f61671625e7ece0 (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < c9bdce2359b5f4986eb38d1e81865b3586cc20d2 (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < b2d6b3db9d1cf80908964036dbe1c52a86b1afb1 (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < e1fd0c42acfa22bb34d2ab6a111484f466ab8093 (git)
Affected: 8a8633978b842c88fbcfe00d4e5dde96048f630e , < 4e910dbe36508654a896d5735b318c0b88172570 (git)
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Linux Linux Affected: 4.18
Unaffected: 0 , < 4.18 (semver)
Unaffected: 4.19.238 , ≤ 4.19.* (semver)
Unaffected: 5.4.189 , ≤ 5.4.* (semver)
Unaffected: 5.10.111 , ≤ 5.10.* (semver)
Unaffected: 5.15.34 , ≤ 5.15.* (semver)
Unaffected: 5.16.20 , ≤ 5.16.* (semver)
Unaffected: 5.17.3 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "dateUpdated": "2026-08-05T08:53:47.633Z",
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T19:45:58+00:00",
      "cve": "CVE-2022-49084",
      "id": "CVE-2022-49084",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_affected": "90",
      "product_status:known_not_affected": "184",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: qede: confirm skb is allocated before using",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49084.json",
      "version": "3"
    },
    "suse_vex": {
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      "current_release_date": "2026-08-05T01:15:28Z",
      "cve": "CVE-2022-49084",
      "id": "CVE-2022-49084",
      "initial_release_date": "2025-02-27T03:12:32Z",
      "product_status:known_affected": "444",
      "product_status:known_not_affected": "164",
      "product_status:recommended": "249",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49084",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49084.json",
      "version": "50"
    }
  }
}