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CVE-2023-53008

cifs: fix potential memory leaks in session setup

Medium5.5EPSS 0.17%
Published
Updated
Reserved
Assigned by
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential memory leaks in session setup Make sure to free cifs_ses::auth_key.response before allocating it as we might end up leaking memory in reconnect or mounting.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 14 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-53008, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.17% · top 93% 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 d3686d54c7902a303bd65d751226aa1647319863 – < 893d45394dbe4b5cbf3723c19e2ccc8b93a6ac9b
    • affected d3686d54c7902a303bd65d751226aa1647319863 – < 2fe58d977ee05da5bb89ef5dc4f5bf2dc15db46f
  • Linux · Linux

    • affected 2.6.37
    • unaffected < 2.6.37
    • unaffected 6.1.9 – ≤ 6.1.*
    • unaffected 6.2 – ≤ *

References (2)

Sources

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

Badge for a README or a ticket

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Record last updated .