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CVE-2026-98911

dpaa2-switch: fix the error path in dpaa2_switch_rx()

No known exploitation. No EPSS score yet. Fixed versions are out.

CVSS —Not scoredEPSS percentile—No score yetCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix1 product4 fixed builds listed below

Published Updated Sources: CVE.org

NVD CVE.org

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  • LinuxAffected: ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 791068c962469af0090e1a1ee63657fb9eef40dbUpgrade to: 791068c962469af0090e1a1ee63657fb9eef40dbAffected: ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ee54f8d7e642c44cfcc2dcb390b4c50e145d81b8Upgrade to: ee54f8d7e642c44cfcc2dcb390b4c50e145d81b8Affected: ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 259ad6093204b999d41e7e6d0ad90ef9a71a44abUpgrade to: 259ad6093204b999d41e7e6d0ad90ef9a71a44abAffected: ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f4ceb8e3d6d5becb4cda7a7098a8638e18c835a1Upgrade to: f4ceb8e3d6d5becb4cda7a7098a8638e18c835a1 + 7 more branchesStated by: CVE record

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What it is

From the CVE record

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: fix the error path in dpaa2_switch_rx() In case of an error in dpaa2_switch_rx(), the dpaa2_switch_free_fd() function is called in order to free the FD. This is incorrect since the dpaa2_switch_free_fd() is intended to be used on Tx frame descriptors, meaning that it expects in the software annotation area of the FD data to find a valid skb pointer on which to call dev_kfree_skb(). Fix this by extracting the dma_unmap_page() from dpaa2_switch_build_linear_skb() directly into the dpaa2_switch_rx() function. This allows us to directly use free_pages() in case of an error before an SKB was created and kfree_skb() afterwards.

In plain language

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Exploitation

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CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

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EPSS

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Affected products

Sources

References in the record

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