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CVE-2026-72015

fs/resctrl: Fix double-add of pseudo-locked region's RMID to free list

Description

In the Linux kernel, the following vulnerability has been resolved: fs/resctrl: Fix double-add of pseudo-locked region's RMID to free list A pseudo-locked group's RMID is freed when it is created. On unmount rmdir_all_sub() unconditionally frees all RMID of all groups, resulting in a double-free of the pseudo-locked group's RMID. The consequence of this is that the original free results in the pseudo-locked group's RMID being added to the rmid_free_lru linked list and the second free then attempts to add the same RMID entry to the rmid_free_lru again. Do not double-free a pseudo-locked group's RMID.

Timeline

  1. ID reserved

    By Linux

  2. · 6 days later

    Published

  3. · 3 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

No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.

EPSS (exploitation in 30 days)
0.22% · top 88% of all CVEs (11 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: Not scored.

Affected products

  • Linux · Linux

    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < bab7dbba38ed3011972c3d9be2dcdca7575cbe32
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < ad12e70d7dc3c94a05efc61d1e4861078e0e162b
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < 52b769165f20b38092f28ce064b4b143471540a7
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < 9168176894332312c12ef052e784735dbf4ffe3f
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < b2fe9e140aa94b2816aab7ebc692b543e418f5e3
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < 52007bfdce5310e8c8a29849bfbfb188a1e50ca0
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < f7628eea9212e185a09df3aea603ca8580b8678d
    • affected e0bdfe8e36f3fbbdc91e70bf927f743ca23917b0 – < b9f089723aee892efc77c349ae47a6b452b293c4
  • Linux · Linux

    • affected 4.19
    • unaffected < 4.19
    • unaffected 5.10.266 – ≤ 5.10.*
    • unaffected 5.15.217 – ≤ 5.15.*
    • unaffected 6.1.184 – ≤ 6.1.*
    • unaffected 6.6.148 – ≤ 6.6.*
    • unaffected 6.12.101 – ≤ 6.12.*
    • unaffected 6.18.40 – ≤ 6.18.*
    • unaffected 7.1.5 – ≤ 7.1.*
    • unaffected 7.2 – ≤ *

References

References8

Sources

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

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Record last updated .