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CVE-2024-43871devres: Fix memory leakage caused by driver API devm_free_percpu()

Description

In the Linux kernel, the following vulnerability has been resolved: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed by using devres_release() instead of devres_destroy() within devm_free_percpu().

Timeline

  1. ID reserved

    By Linux

  2. · 4 days later

    Published

  3. · 2 years 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-2024-43871, by who scored it
Scored byCVSSScoreVector
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)
0.24% · top 85% of all CVEs (12 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.

Affected products

  • Linux · Linux

    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < 700e8abd65b10792b2f179ce4e858f2ca2880f85
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < b044588a16a978cd891cb3d665dd7ae06850d5bf
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < ef56dcdca8f2a53abc3a83d388b8336447533d85
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < 3047f99caec240a88ccd06197af2868da1af6a96
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < 3dcd0673e47664bc6c719ad47dadac6d55d5950d
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < b67552d7c61f52f1271031adfa7834545ae99701
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < 95065edb8ebb27771d5f1e898eef6ab43dc6c87c
    • affected ff86aae3b4112b85d2231c23bccbc49589df1c06 – < bd50a974097bb82d52a458bd3ee39fb723129a0c

  • Linux · Linux

    • affected 4.10
    • unaffected < 4.10
    • unaffected 4.19.320 – ≤ 4.19.*
    • unaffected 5.4.282 – ≤ 5.4.*
    • unaffected 5.10.224 – ≤ 5.10.*
    • unaffected 5.15.165 – ≤ 5.15.*
    • unaffected 6.1.103 – ≤ 6.1.*
    • unaffected 6.6.44 – ≤ 6.6.*
    • unaffected 6.10.3 – ≤ 6.10.*
    • unaffected 6.11 – ≤ *

References

References14

Sources

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

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Record last updated .