CVE-2026-45908
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 versions
Linux kernel versions
6.18
and later are affected. Fixed in
6.18.14,
6.19.4,
7.0
and their respective stable series.
References
The following references provide additional information about CVE-2026-45908 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a
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PatchKernel patch commithttps://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d
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PatchKernel patch commithttps://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3
Frequently asked questions
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What is CVE-2026-45908?
CVE-2026-45908 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.18 onward and has been patched in 6.18.14, 6.19.4 and 7.0. CVE-2026-45908 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-45908?
Yes — CVE-2026-45908 has been patched. Fixed versions include 6.18.14, 6.19.4 and 7.0. If you are running Linux kernel 6.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-45908 actively exploited?
No — CVE-2026-45908 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.