dmaengine: idxd: fix memory leak in error handling path of idxd_alloc
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix memory leak in error handling path of idxd_alloc Memory allocated for idxd is not freed if an error occurs during idxd_alloc(). To fix it, free the allocated memory in the reverse order of allocation before exiting the function in case of an error.
02 / AFFECTED SOFTWARE
Affected packages
752 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix memory leak in error handling path of idxd_alloc Memory allocated for idxd is not freed if an error occurs during idxd_alloc(). To fix it, free the allocated memory in the reverse order of allocation before exiting the function in case of an error.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/46a5cca76c76c86063000a12936f8e7875295838
- https://git.kernel.org/stable/c/4f005eb68890698e5abc6a3af04dab76f175c50c
- https://git.kernel.org/stable/c/64afd9a1f644b27661420257dcc007d5009c99dd
- https://git.kernel.org/stable/c/6e94a2c3e4c166cd2736ac225fba5889fb1e8ac0
- https://git.kernel.org/stable/c/868dbce755ec92855362d213f47e045a8388361a
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38015.json
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
- https://nvd.nist.gov/vuln/detail/CVE-2025-38015