PT-2026-61490 · Linux · Linux Kernel

CVE-2026-64173 · Published 2026-07-19 · Updated 2026-07-19

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the tracing component where the system incorrectly attempts to call the map->ops->elt free() function even when the tracing map elt alloc() function fails to allocate objects. Because the map->ops->elt alloc() call was not successful in these paths, the subsequent call to free the element is unnecessary and improper.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-64173

Affected Products

Linux Kernel

References · 11

• https://nvd.nist.gov/vuln/detail/CVE-2026-64173 · Security Note
• https://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524 · Note
• https://twitter.com/infoflowcloud/status/2078982149902905787 · Twitter Post
• https://twitter.com/CVEnew/status/2078981215571378462 · Twitter Post
• https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097 · Note
• https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03 · Note
• https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91d · Note
• https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11a · Note
• https://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435 · Note
• https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9 · Note
• https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701 · Note