{"id":"CVE-2026-45881","state":"PUBLISHED","title":"soc: mediatek: svs: Fix memory leak in svs_enable_debug_write()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: mediatek: svs: Fix memory leak in svs_enable_debug_write()\n\nIn svs_enable_debug_write(), the buf allocated by memdup_user_nul()\nis leaked if kstrtoint() fails.\n\nFix this by using __free(kfree) to automatically free buf, eliminating\nthe need for explicit kfree() calls and preventing leaks.\n\n[Angelo: Added missing cleanup.h inclusion]","publishedAt":"2026-05-27T12:16:53.677Z","updatedAt":"2026-05-27T12:16:53.677Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"47a3e372f7d68776adb749a27c0ec9058ff1b4fd","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"06195456c4e4de3826c4ca60eca941c472f991d0","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"a58c97828911c0b6e25d6b556789da974003efda","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"0f6498077faa9cd89bb787bcc57063494a6f0601","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"6bb10466e0884b4a68d4a1f3f4bb87eeb471c18a","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"6259094ee806fb813ca95894c65fb80e2ec98bf1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/mediatek/mtk-svs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/mediatek/mtk-svs.c"]}],"references":["https://git.kernel.org/stable/c/47a3e372f7d68776adb749a27c0ec9058ff1b4fd","https://git.kernel.org/stable/c/06195456c4e4de3826c4ca60eca941c472f991d0","https://git.kernel.org/stable/c/a58c97828911c0b6e25d6b556789da974003efda","https://git.kernel.org/stable/c/0f6498077faa9cd89bb787bcc57063494a6f0601","https://git.kernel.org/stable/c/6bb10466e0884b4a68d4a1f3f4bb87eeb471c18a","https://git.kernel.org/stable/c/6259094ee806fb813ca95894c65fb80e2ec98bf1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45881.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45881","state":"PUBLISHED","datePublished":"2026-05-27T12:16:53.677Z","dateUpdated":"2026-05-27T12:16:53.677Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.082Z"},"containers":{"cna":{"title":"soc: mediatek: svs: Fix memory leak in svs_enable_debug_write()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: mediatek: svs: Fix memory leak in svs_enable_debug_write()\n\nIn svs_enable_debug_write(), the buf allocated by memdup_user_nul()\nis leaked if kstrtoint() fails.\n\nFix this by using __free(kfree) to automatically free buf, eliminating\nthe need for explicit kfree() calls and preventing leaks.\n\n[Angelo: Added missing cleanup.h inclusion]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"47a3e372f7d68776adb749a27c0ec9058ff1b4fd","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"06195456c4e4de3826c4ca60eca941c472f991d0","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"a58c97828911c0b6e25d6b556789da974003efda","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"0f6498077faa9cd89bb787bcc57063494a6f0601","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"6bb10466e0884b4a68d4a1f3f4bb87eeb471c18a","versionType":"git"},{"version":"13f1bbcfb5822fcaacfc652017b57b79ffcacefa","status":"affected","lessThan":"6259094ee806fb813ca95894c65fb80e2ec98bf1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/mediatek/mtk-svs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/soc/mediatek/mtk-svs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/47a3e372f7d68776adb749a27c0ec9058ff1b4fd"},{"url":"https://git.kernel.org/stable/c/06195456c4e4de3826c4ca60eca941c472f991d0"},{"url":"https://git.kernel.org/stable/c/a58c97828911c0b6e25d6b556789da974003efda"},{"url":"https://git.kernel.org/stable/c/0f6498077faa9cd89bb787bcc57063494a6f0601"},{"url":"https://git.kernel.org/stable/c/6bb10466e0884b4a68d4a1f3f4bb87eeb471c18a"},{"url":"https://git.kernel.org/stable/c/6259094ee806fb813ca95894c65fb80e2ec98bf1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:16:53.677Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}