CVE-2026-64173

tracing: Do not call map->ops->elt_free() if elt_alloc() fails

MEDIUM

5.5

CVSS Score

Published: July 19, 2026 at 03:40 PM UTC

Updated: August 13, 2026 at 03:47 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.1%

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.17 ≤ v < 5.10.2584.17 ≤ v < 5.15.2094.17 ≤ v < 6.1.1754.17 ≤ v < 6.12.924.17 ≤ v < 6.18.344.17 ≤ v < 6.6.1424.17 ≤ v < 7.0.114.17 ≤ v < 7.15.11 ≤ v < 5.15.2095.16 ≤ v < 6.1.1756.13 ≤ v < 6.18.346.19 ≤ v < 7.0.116.2 ≤ v < 6.6.1426.7 ≤ v < 6.12.922734b629525a9dae5bf217cbf0a9651da93d21087.1 rc1 7.1 rc2 7.1 rc3 7.1 rc4

Vendor states this is fixed in 1a150947f8480262a46c860f1acb9c6597ca7097 (fixed)

Vendor states this is fixed in 49332e49ad5b20262cc719b03d4123b9362de701 (fixed)

Vendor states this is fixed in 798183376d9d3e278a270ea0e75a5769c8f145d9 (fixed)

Vendor states this is fixed in 8f0f5c4fb9df0e19a341e0c6ed8dc4fda9124f03 (fixed)

Vendor states this is fixed in b427e9f6d81c9341cba23ef92f860f99f830d91d (fixed)

Vendor states this is fixed in b559a218eece132de0c58d444877b5627cbee524 (fixed)

Vendor states this is fixed in b6723339736320b2e1784258ad4490cec7aac11a (fixed)

Vendor states this is fixed in f383cff9fb382139980bac1bcd3f3f5d59f68435 (fixed)

Vendor states this is fixed in 4.17 (unaffected)

Vendor states this is fixed in 5.10.258 (unaffected)

Vendor states this is fixed in 5.15.209 (unaffected)

Vendor states this is fixed in 6.1.175 (unaffected)