{"id":"CVE-2023-53191","state":"PUBLISHED","title":"irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains\n\nof_irq_find_parent() returns a node pointer with refcount incremented,\nWe should use of_node_put() on it when not needed anymore.\nAdd missing of_node_put() to avoid refcount leak.","publishedAt":"2025-09-15T14:06:33.648Z","updatedAt":"2026-05-11T19:40:00.903Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"eef04516f0c317ce80502c1d6b0d06235a87cd8f","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"eef09f786df4b34b97557929287c4e5a83bbf09b","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"9e79ac4f70fd51243e1c6108d4b0baf16cfde99c","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"d6c66c46889752fa4962c6388516f7ab66a8d6a1","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"65e30bd1310d90b794c377bf405394157854aa30","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"071d068b89e95d1b078aa6bbcb9d0961b77d6aa1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-alpine-msi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-alpine-msi.c"]}],"references":["https://git.kernel.org/stable/c/eef04516f0c317ce80502c1d6b0d06235a87cd8f","https://git.kernel.org/stable/c/eef09f786df4b34b97557929287c4e5a83bbf09b","https://git.kernel.org/stable/c/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c","https://git.kernel.org/stable/c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710","https://git.kernel.org/stable/c/d6c66c46889752fa4962c6388516f7ab66a8d6a1","https://git.kernel.org/stable/c/65e30bd1310d90b794c377bf405394157854aa30","https://git.kernel.org/stable/c/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926","https://git.kernel.org/stable/c/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53191.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53191","state":"PUBLISHED","datePublished":"2025-09-15T14:06:33.648Z","dateUpdated":"2026-05-11T19:40:00.903Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T13:59:19.066Z"},"containers":{"cna":{"title":"irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains\n\nof_irq_find_parent() returns a node pointer with refcount incremented,\nWe should use of_node_put() on it when not needed anymore.\nAdd missing of_node_put() to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"eef04516f0c317ce80502c1d6b0d06235a87cd8f","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"eef09f786df4b34b97557929287c4e5a83bbf09b","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"9e79ac4f70fd51243e1c6108d4b0baf16cfde99c","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"d6c66c46889752fa4962c6388516f7ab66a8d6a1","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"65e30bd1310d90b794c377bf405394157854aa30","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926","versionType":"git"},{"version":"e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd","status":"affected","lessThan":"071d068b89e95d1b078aa6bbcb9d0961b77d6aa1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-alpine-msi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.6","versionType":"semver"},{"version":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-alpine-msi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/eef04516f0c317ce80502c1d6b0d06235a87cd8f"},{"url":"https://git.kernel.org/stable/c/eef09f786df4b34b97557929287c4e5a83bbf09b"},{"url":"https://git.kernel.org/stable/c/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c"},{"url":"https://git.kernel.org/stable/c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710"},{"url":"https://git.kernel.org/stable/c/d6c66c46889752fa4962c6388516f7ab66a8d6a1"},{"url":"https://git.kernel.org/stable/c/65e30bd1310d90b794c377bf405394157854aa30"},{"url":"https://git.kernel.org/stable/c/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926"},{"url":"https://git.kernel.org/stable/c/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:40:00.903Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}