CVE-2026-72489

CVE CVE-2026-72489EUVD EUVD-2026-59388Published 2026-08-15T05:57:24.000ZLast changed 2026-08-17T05:44:51.000ZCVSS 8.4

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: staging: nvec: fix use-after-free in nvec_rx_completed() In nvec_rx_completed(), when an incomplete RX transfer is detected, nvec_msg_free() is called to return the message back to the pool by clearing its 'used' atomic flag. Immediately after this, the code accesses nvec->rx->data[0] to check the message type. Since nvec_msg_free() marks the pool slot as available via atomic_set(), any concurrent or subsequent call to nvec_msg_alloc() could claim that same slot and overwrite its data[] array. Reading nvec->rx->data[0] after freeing the message is therefore a use-after-free. Fix this by saving the message type byte before calling nvec_msg_free(), then using the saved value for the battery quirk check.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux patch: 5.15.212; patch: 5.10.261; 3.2; patch: 6.1.178; d6bdcf2e1019351cbc176e963b7756766bdd8721 <08626fcfe12308ca3f8b22c538ba7dee0b2dce7a; patch: 6.18.40; patch: 6.6.145; d6bdcf2e1019351cbc176e963b7756766bdd8721 <6b2ea886ebdae44a2394029844a4e78f58e1587d; patch: 6.12.97; d6bdcf2e1019351cbc176e963b7756766bdd8721 <f19a5bc059051143c489dd6f79a0f9c3bfd13aea; d6bdcf2e1019351cbc176e963b7756766bdd8721 <5de04caa46b635e180cecbd164e333eca535db94; patch: 0; d6bdcf2e1019351cbc176e963b7756766bdd8721 <26813881181deb3a32fbb59eadb2599cbe8423f6; patch: 7.1.5; d6bdcf2e1019351cbc176e963b7756766bdd8721 <9f7fe4165a1f1014bdadc8e744c0fd3c2d8c0b89; d6bdcf2e1019351cbc176e963b7756766bdd8721 <a37625c7b688fcf68a54263528eccbabfd7fa17a; d6bdcf2e1019351cbc176e963b7756766bdd8721 <bb3d592c7d6c4ec8ac6640c690ca13298e7e8e90; patch: 7.2

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

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Linux — Linux

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