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CVE-2026-63986

ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsinfo: don't pass ERR_PTR to genlmsg_cancel on prepare failure The goto err label leads to: genlmsg_cancel(skb, ehdr); return ret; If ethnl_tsinfo_prepare_dump() failed, it has not started a genlmsg. There's nothing to cancel, and passing an error pointer to genlmsg_cancel() would cause a crash.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 before 2008f9bb1ede9b688624a241228b8e54fc74f0f6; affected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 before d0d2c5ccd1de28368cebeef74d9c530a60eff9a5; affected b9e3f7dc9ed95daeb83cfa45b821cacaa01aa906 before c3fc9976f686f9a95baf87db9d387f218fd65394
Linux / Linuxaffected 6.14; unaffected 0 before 6.14; unaffected 6.18.35 through 6.18.*; unaffected 7.0.12 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References