CVE-2026-64173: vulnerability in Linux
tracing: Do not call map->ops->elt_free() if elt_alloc() fails
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
In the Linux kernel, the following vulnerability has been resolved:
tracing: Do not call map->ops->elt_free() if elt_alloc() fails
In paths where tracing_map_elt_alloc() failed to allocate objects,
the map->ops->elt_alloc() call was never successful. In this case,
map->ops->elt_free() should not be called.
Affected products
Linux · LinuxRelated CVEs — Linux
In the same product, most dangerous first.
CVE-2026-31431HIGHcrypto: algif_aead - Revert to operating out-of-placeEPSS 98.1%KEVCVE-2026-46300HIGHnet: skbuff: preserve shared-frag marker during coalescingEPSS 16.1%KEVCVE-2024-53197HIGHALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devicesEPSS 4.1%KEVCVE-2024-53104HIGHmedia: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_formatEPSS 3.4%KEVCVE-2025-39682CRITICALtls: fix handling of zero-length records on the rx_listEPSS 3.3%KEVCVE-2024-36971HIGHnet: fix __dst_negative_advice() raceEPSS 2.7%KEV
References
https://git.kernel.org/stable/c/1a150947f8480262a46c860f1acb9c6597ca7097https://git.kernel.org/stable/c/49332e49ad5b20262cc719b03d4123b9362de701https://git.kernel.org/stable/c/798183376d9d3e278a270ea0e75a5769c8f145d9https://git.kernel.org/stable/c/8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03https://git.kernel.org/stable/c/b427e9f6d81c9341cba23ef92f860f99f830d91dhttps://git.kernel.org/stable/c/b559a218eece132de0c58d444877b5627cbee524https://git.kernel.org/stable/c/b6723339736320b2e1784258ad4490cec7aac11ahttps://git.kernel.org/stable/c/f383cff9fb382139980bac1bcd3f3f5d59f68435