tty: serial: pch_uart: add check for dma_alloc_coherent()
Summary
| CVE | CVE-2026-64234 |
|---|
| State | PUBLISHED |
|---|
| Assigner | Linux |
|---|
| Source Priority | CVE Program / NVD first with legacy fallback |
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| Published | 2026-07-24 16:16:52 UTC |
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| Updated | 2026-07-24 16:16:52 UTC |
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| Description | In the Linux kernel, the following vulnerability has been resolved:
tty: serial: pch_uart: add check for dma_alloc_coherent()
Add a check for dma_alloc_coherent() failure to prevent a potential
NULL pointer dereference in dma_handle_rx(). Properly release DMA
channels and the PCI device reference using a goto ladder if the
allocation fails. |
|---|
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da 760df81763b391bb5f0dcb0b7597b736da753ae4 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da 5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da daea997bb244aeb50cbb2e5e075fb446a6cf068f git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da 6dd5c0ea139b586ad5a091677056dafd405cfe82 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da d846df2dfbc2469a688833b4cc4f8aa80672bde8 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da 66f8bfea055b23719b4fd6ce207c44de37d82a59 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da d8d53a343ebe74274ca17b1e1993042e99f8c863 git |
Not specified |
| CNA |
Linux |
Linux |
affected 3c6a483275f47a2ef7119309ad3d791c10cf30da 6fe472c1bbbe238e91141f7cabc1226e96a60d43 git |
Not specified |
| CNA |
Linux |
Linux |
affected 2.6.38 |
Not specified |
| CNA |
Linux |
Linux |
unaffected 2.6.38 semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.10.259 5.10.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 5.15.210 5.15.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.1.176 6.1.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.6.143 6.6.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.12.93 6.12.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 6.18.35 6.18.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.0.12 7.0.* semver |
Not specified |
| CNA |
Linux |
Linux |
unaffected 7.1 * original_commit_for_fix |
Not specified |
References
| Reference | Source | Link | Tags |
|---|
| git.kernel.org/stable/c/5f2e2a240dc1846e049bc67e9c3cdf5b031d08bf |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/6dd5c0ea139b586ad5a091677056dafd405cfe82 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/d846df2dfbc2469a688833b4cc4f8aa80672bde8 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/66f8bfea055b23719b4fd6ce207c44de37d82a59 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/760df81763b391bb5f0dcb0b7597b736da753ae4 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/6fe472c1bbbe238e91141f7cabc1226e96a60d43 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/d8d53a343ebe74274ca17b1e1993042e99f8c863 |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| git.kernel.org/stable/c/daea997bb244aeb50cbb2e5e075fb446a6cf068f |
416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
git.kernel.org |
|
| CVE Program record |
CVE.ORG |
www.cve.org |
canonical |
| NVD vulnerability detail |
NVD |
nvd.nist.gov |
canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.