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CVE-2026-98024

s390/ism: folio_put() after error

N/A
Published: September 25, 2026 at 10:23 AM UTC
Updated: October 19, 2026 at 10:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: s390/ism: folio_put() after error dmb->cpu_addr was allocated via folio_alloc(). Use folio_put() instead of kfree() in the error exit of ism_alloc_dmb() to avoid slab allocator corruption. While at it, reset dmb->cpu_addr after folio_put to avoid unintentional UAF by future callers.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
121fb75414ab8debafd548bded9d888cd5a8f1656.6.296.8.86.983781384a96b95e2b6403d3c8a002b2c89031770f3e23edc4917f72139b805f208aeadf23376a0b5
Vendor states this is fixed in 60983356fab0c1171c5cb1b56a36349ebadc608e (fixed)
Vendor states this is fixed in 890e2ef726904d1d8328e4b9f5090eeb8761b9d1 (fixed)
Vendor states this is fixed in 907a56ab3eb8a58500a58daa76087f17bb2b6826 (fixed)
Vendor states this is fixed in 90f6f5cb331af52b14c0f309fb27dc243e8e2982 (fixed)
Vendor states this is fixed in eebb6a9017b55ac05be770cf7b89f9da49505ae7 (fixed)
Vendor states this is fixed in 6.12.111 (unaffected)
Vendor states this is fixed in 6.18.53 (unaffected)
Vendor states this is fixed in 6.6.158 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)
Vendor states this is fixed in 7.2.7 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc3 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Source: cverecord
https://git.kernel.org/stable/c/890e2ef726904d1d8328e4b9f5090eeb8761b9d1
Source: cverecord
https://git.kernel.org/stable/c/eebb6a9017b55ac05be770cf7b89f9da49505ae7
Source: cverecord
https://git.kernel.org/stable/c/60983356fab0c1171c5cb1b56a36349ebadc608e
Source: cverecord
https://git.kernel.org/stable/c/907a56ab3eb8a58500a58daa76087f17bb2b6826
Source: cverecord
https://git.kernel.org/stable/c/90f6f5cb331af52b14c0f309fb27dc243e8e2982

Quick Info

StatusRECEIVED

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