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CVE-2026-45908

accel/amdxdna: Fix memory leak in amdxdna_ubuf_map

MEDIUM
5.5
CVSS Score
Published: May 27, 2026 at 12:17 PM UTC
Updated: June 27, 2026 at 11:41 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix memory leak in amdxdna_ubuf_map The amdxdna_ubuf_map() function allocates memory for sg and internal sg table structures, but it fails to free them if subsequent operations (sg_alloc_table_from_pages or dma_map_sgtable) fail.

Affected

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

Linux Kernel· Linux
95%
6.18 ≤ v < 6.18.146.18 ≤ v < 6.19.46.18 ≤ v < 7.06.19 ≤ v < 6.19.46.18bd72d4acda1069579b35123e3cc0b21ec1193a21
Vendor states this is fixed in 5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a (fixed)
Vendor states this is fixed in 84dd57fb0359500092f1101409ca32091731490d (fixed)
Vendor states this is fixed in f9f4366d2ff93b07c2571561c776bd9a708078c3 (fixed)
Vendor states this is fixed in 6.18 (unaffected)
Vendor states this is fixed in 6.18.14 (unaffected)
Vendor states this is fixed in 6.19.4 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

References (3)

Patch
Source: cverecord
https://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a
Patch
Source: cverecord
https://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3
Patch
Source: cverecord
https://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-401

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