github - ghsa-37gv-w6h3-7hm7

GHSA-37GV-W6H3-7HM7

Vulnerability from github – Published: 2025-09-05 18:31 – Updated: 2025-11-03 18:31

Details

In the Linux kernel, the following vulnerability has been resolved:

ipv6: sr: Fix MAC comparison to be constant-time

To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.

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{
  "affected": [],
  "aliases": [
    "CVE-2025-39702"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-09-05T18:15:47Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: sr: Fix MAC comparison to be constant-time\n\nTo prevent timing attacks, MACs need to be compared in constant time.\nUse the appropriate helper function for this.",
  "id": "GHSA-37gv-w6h3-7hm7",
  "modified": "2025-11-03T18:31:39Z",
  "published": "2025-09-05T18:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-39702"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0"
    },
    {
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      "url": "https://git.kernel.org/stable/c/3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3"
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      "url": "https://git.kernel.org/stable/c/86b6d34717fe0570afce07ee79b8eeb40341f831"
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      "url": "https://git.kernel.org/stable/c/a458b2902115b26a25d67393b12ddd57d1216aaa"
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b3967c493799e63f648e9c7b6cb063aa2aed04e7"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f7878d47560d61e3f370aca3cebb8f42a55b990a"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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}

CVE-2025-39702 (GCVE-0-2025-39702)

Vulnerability from cvelistv5 – Published: 2025-09-05 17:21 – Updated: 2025-11-03 17:42

Summary

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/3b348c9c8d2ca2c67…
	https://git.kernel.org/stable/c/86b6d34717fe0570a…
	https://git.kernel.org/stable/c/3ddd55cf19ed6cc62…
	https://git.kernel.org/stable/c/b3967c493799e63f6…
	https://git.kernel.org/stable/c/f7878d47560d61e3f…
	https://git.kernel.org/stable/c/a458b2902115b26a2…

Impacted products

Vendor

Product

Version

Linux

Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < 3b348c9c8d2ca2c67559ffd0e258ae7e1107d4f0 (git)
Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < 86b6d34717fe0570afce07ee79b8eeb40341f831 (git)
Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < 3ddd55cf19ed6cc62def5e3af10c2a9df1b861c3 (git)
Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < b3967c493799e63f648e9c7b6cb063aa2aed04e7 (git)
Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < f7878d47560d61e3f370aca3cebb8f42a55b990a (git)
Affected: bf355b8d2c30a289232042cacc1cfaea4923936c , < a458b2902115b26a25d67393b12ddd57d1216aaa (git)

Linux

Affected: 4.10
Unaffected: 0 , < 4.10 (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.44 , ≤ 6.12.* (semver)
Unaffected: 6.16.4 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)

Show details on NVD website

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-37GV-W6H3-7HM7

CVE-2025-39702 (GCVE-0-2025-39702)

Tags

Sightings

Nomenclature