Vulnerability-Lookup

FKIE_CVE-2026-46168

Vulnerability from fkie_nvd - Published: 2026-05-28 10:16 - Updated: 2026-06-10 21:14

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix scheduling with atomic in timestamp sockopt Using lock_sock_fast() (atomic context) around sock_set_timestamp() and sock_set_timestamping() is unsafe, as both helpers can sleep. Replace lock_sock_fast() with sleepable lock_sock()/release_sock() to avoid scheduling while atomic panic.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0949d8bbbedbafe0136a1723c41eb823c2f1e09d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7eb513b42721bee4b96da69f6188d5a7783f210d	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8a005fe451c73fd2b3d1faa5643c11e6bd07acfc	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b157dab93a7af44a84e78cf0cb311dde475cff5b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b5c52908d52c6c8eb8933264aa6087a0600fd892	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e792cfb6aeaf65612cdf8e3ac431d65e66283654	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ebeb70e29e37cfce899309cc2665a3bfe960ed94	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	7.1

JSON

To clipboard

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CVE-2026-46168 (GCVE-0-2026-46168)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-01 16:19

Title

mptcp: fix scheduling with atomic in timestamp sockopt

Summary

Severity

No CVSS data available.

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/0949d8bbbedbafe01…
https://git.kernel.org/stable/c/e792cfb6aeaf65612…
https://git.kernel.org/stable/c/ebeb70e29e37cfce8…
https://git.kernel.org/stable/c/b157dab93a7af44a8…
https://git.kernel.org/stable/c/8a005fe451c73fd2b…
https://git.kernel.org/stable/c/7eb513b42721bee4b…
https://git.kernel.org/stable/c/b5c52908d52c6c8eb…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < 0949d8bbbedbafe0136a1723c41eb823c2f1e09d (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < e792cfb6aeaf65612cdf8e3ac431d65e66283654 (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < ebeb70e29e37cfce899309cc2665a3bfe960ed94 (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < b157dab93a7af44a84e78cf0cb311dde475cff5b (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < 8a005fe451c73fd2b3d1faa5643c11e6bd07acfc (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < 7eb513b42721bee4b96da69f6188d5a7783f210d (git) Affected: 9061f24bf82ec2e92dd1e7c10b98b680db023d31 , < b5c52908d52c6c8eb8933264aa6087a0600fd892 (git)
Linux	Linux	Affected: 5.14 Unaffected: 0 , < 5.14 (semver) Unaffected: 5.15.209 , ≤ 5.15.* (semver) Unaffected: 6.1.175 , ≤ 6.1.* (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.88 , ≤ 6.12.* (semver) Unaffected: 6.18.30 , ≤ 6.18.* (semver) Unaffected: 7.0.7 , ≤ 7.0.* (semver) Unaffected: 7.1-rc2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

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

FKIE_CVE-2026-46168

CVE-2026-46168 (GCVE-0-2026-46168)

Tags

Sightings

Nomenclature