CVE-2026-72224

nvdimm/btt: Free arenas on btt_init() error paths

State: Published
Severity: Not scored
Published: Aug 15, 2026
Updated: Aug 17, 2026
Reserved: Aug 9, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

nvdimm/btt: Free arenas on btt_init() error paths

The arenas allocated by discover_arenas() or create_arenas() are not freed on some error paths in btt_init(). This leaks memory when BTT initialization fails.

Call free_arenas() from the affected error paths to release the allocations.

[ as: commit message and log edits ]

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	5212e11fde4d40fa627668b4f2222d20db488f71 to before 9ab5293d9ac3f2c4232220e563d04701f5f44607Affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 68c967e105d50f885e02b0dbdc9211fd5f84bdcdAffected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 0b63788093ff6ccfffe6e87de9e08aeeb406599cAffected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 5804e6a6912b5a1e47c821777d69191d69a3fe64Affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 52a7e7ece79c4b0f406149e19cd2b4b11a6c19e4Affected 5212e11fde4d40fa627668b4f2222d20db488f71 to before f4ca396bdd60b4e0a665b2589bfc4ddbea9bda2bAffected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 7e49684d90faa34ff6d5586be658e986d9d475acAffected 5212e11fde4d40fa627668b4f2222d20db488f71 to before 1a6b6442a982d0ca5fb6a1a39b6f6dfd760eda57Affected
LinuxLinux	4.2Affected before 4.2Not affected 5.10.261 through 5.10.Not affected 5.15.212 through 5.15.Not affected 6.1.178 through 6.1.Not affected 6.6.145 through 6.6.Not affected 6.12.97 through 6.12.Not affected 6.18.40 through 6.18.Not affected 7.1.5 through 7.1.*Not affected 7.2 and laterNot affected

Product

Versions

LinuxLinux

5212e11fde4d40fa627668b4f2222d20db488f71 to before 9ab5293d9ac3f2c4232220e563d04701f5f44607Affected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 68c967e105d50f885e02b0dbdc9211fd5f84bdcdAffected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 0b63788093ff6ccfffe6e87de9e08aeeb406599cAffected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 5804e6a6912b5a1e47c821777d69191d69a3fe64Affected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 52a7e7ece79c4b0f406149e19cd2b4b11a6c19e4Affected
5212e11fde4d40fa627668b4f2222d20db488f71 to before f4ca396bdd60b4e0a665b2589bfc4ddbea9bda2bAffected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 7e49684d90faa34ff6d5586be658e986d9d475acAffected
5212e11fde4d40fa627668b4f2222d20db488f71 to before 1a6b6442a982d0ca5fb6a1a39b6f6dfd760eda57Affected

LinuxLinux

4.2Affected
before 4.2Not affected
5.10.261 through 5.10.*Not affected
5.15.212 through 5.15.*Not affected
6.1.178 through 6.1.*Not affected
6.6.145 through 6.6.*Not affected
6.12.97 through 6.12.*Not affected
6.18.40 through 6.18.*Not affected
7.1.5 through 7.1.*Not affected
7.2 and laterNot affected

References

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