{"id":"CVE-2023-53724","state":"PUBLISHED","title":"mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()\n\n`req` is allocated in pcf50633_adc_async_read(), but\nadc_enqueue_request() could fail to insert the `req` into queue.\nWe need to check the return value and free it in the case of failure.","publishedAt":"2025-10-22T13:23:54.542Z","updatedAt":"2026-05-11T19:50:37.810Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"66616eed76dfa6f3e442907760325a023c6da7e2","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"41cdf082ae006ea002135dfaf43b2897de3bded8","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"9cca3a4933ca365cc664d5eefb0f942374ea8b41","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"a62a5e79202967176a9c1a04e477860779accd6c","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"8b450dcff23aa254844492831a8e2b508a9d522d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/pcf50633-adc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","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/mfd/pcf50633-adc.c"]}],"references":["https://git.kernel.org/stable/c/66616eed76dfa6f3e442907760325a023c6da7e2","https://git.kernel.org/stable/c/41cdf082ae006ea002135dfaf43b2897de3bded8","https://git.kernel.org/stable/c/588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e","https://git.kernel.org/stable/c/3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30","https://git.kernel.org/stable/c/6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92","https://git.kernel.org/stable/c/9cca3a4933ca365cc664d5eefb0f942374ea8b41","https://git.kernel.org/stable/c/a62a5e79202967176a9c1a04e477860779accd6c","https://git.kernel.org/stable/c/8b450dcff23aa254844492831a8e2b508a9d522d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53724.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53724","state":"PUBLISHED","datePublished":"2025-10-22T13:23:54.542Z","dateUpdated":"2026-05-11T19:50:37.810Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.348Z"},"containers":{"cna":{"title":"mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()\n\n`req` is allocated in pcf50633_adc_async_read(), but\nadc_enqueue_request() could fail to insert the `req` into queue.\nWe need to check the return value and free it in the case of failure."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"66616eed76dfa6f3e442907760325a023c6da7e2","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"41cdf082ae006ea002135dfaf43b2897de3bded8","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"9cca3a4933ca365cc664d5eefb0f942374ea8b41","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"a62a5e79202967176a9c1a04e477860779accd6c","versionType":"git"},{"version":"08c3e06a5eb27d43b712adef18379f8464425e71","status":"affected","lessThan":"8b450dcff23aa254844492831a8e2b508a9d522d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mfd/pcf50633-adc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.29","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.29","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/mfd/pcf50633-adc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/66616eed76dfa6f3e442907760325a023c6da7e2"},{"url":"https://git.kernel.org/stable/c/41cdf082ae006ea002135dfaf43b2897de3bded8"},{"url":"https://git.kernel.org/stable/c/588edb4fb1f1e6487a0f60a5f7b9a24d2d0c9f8e"},{"url":"https://git.kernel.org/stable/c/3ee13bdf0d25ae8752ae6185b6d13bbb0d5a8e30"},{"url":"https://git.kernel.org/stable/c/6a8a02dcfae13ab07dc7bed2b409cec7f3d32e92"},{"url":"https://git.kernel.org/stable/c/9cca3a4933ca365cc664d5eefb0f942374ea8b41"},{"url":"https://git.kernel.org/stable/c/a62a5e79202967176a9c1a04e477860779accd6c"},{"url":"https://git.kernel.org/stable/c/8b450dcff23aa254844492831a8e2b508a9d522d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:37.810Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.29","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}