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CVE-2022-48882

net/mlx5e: Fix macsec possible null dereference when updating MAC security entity (SecY)

Medium5.5EPSS 0.21%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix macsec possible null dereference when updating MAC security entity (SecY) Upon updating MAC security entity (SecY) in hw offload path, the macsec security association (SA) initialization routine is called. In case of extended packet number (epn) is enabled the salt and ssci attributes are retrieved using the MACsec driver rx_sa context which is unavailable when updating a SecY property such as encoding-sa hence the null dereference. Fix by using the provided SA to set those attributes.

Scores

CVSS scores of CVE-2022-48882, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Linux · Linux

    • affected 4411a6c0abd3e55b4a4fb9432b3a0553f12337c2 – < 514d9c6a39213d8200884e70f60ce7faef1ee597
    • affected 4411a6c0abd3e55b4a4fb9432b3a0553f12337c2 – < 9828994ac492e8e7de47fe66097b7e665328f348

  • Linux · Linux

    • affected 6.1
    • unaffected < 6.1
    • unaffected 6.1.7 – ≤ 6.1.*
    • unaffected 6.2 – ≤ *

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .