{"id":"CVE-2026-46296","state":"PUBLISHED","title":"spi: s3c64xx: fix NULL-deref on driver unbind","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: s3c64xx: fix NULL-deref on driver unbind\n\nA change moving DMA channel allocation from probe() back to\ns3c64xx_spi_prepare_transfer() failed to remove the corresponding\ndeallocation from remove().\n\nDrop the bogus DMA channel release from remove() to avoid triggering a\nNULL-pointer dereference on driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix.","publishedAt":"2026-06-08T15:46:23.539Z","updatedAt":"2026-06-19T12:00:10.948Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"1108b8722b9ff0cdd3e8aa18d98244fcd93b6760","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"323a258f4b1916b5a3098618e036e033b2f2317f","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"1b66f16a571a10ba8889ac471755c8af9c5b9266","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"22788b1a8611380b141e09a8896702e32d164238","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"45daacbead8a009844bd5dba6cfa731332184d17","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-s3c64xx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.176","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-s3c64xx.c"]}],"references":["https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7","https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760","https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f","https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266","https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238","https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46296.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46296","state":"PUBLISHED","datePublished":"2026-06-08T15:46:23.539Z","dateUpdated":"2026-06-19T12:00:10.948Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.110Z"},"containers":{"cna":{"title":"spi: s3c64xx: fix NULL-deref on driver unbind","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: s3c64xx: fix NULL-deref on driver unbind\n\nA change moving DMA channel allocation from probe() back to\ns3c64xx_spi_prepare_transfer() failed to remove the corresponding\ndeallocation from remove().\n\nDrop the bogus DMA channel release from remove() to avoid triggering a\nNULL-pointer dereference on driver unbind.\n\nThis issue was flagged by Sashiko when reviewing a controller\nderegistration fix."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"1108b8722b9ff0cdd3e8aa18d98244fcd93b6760","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"323a258f4b1916b5a3098618e036e033b2f2317f","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"1b66f16a571a10ba8889ac471755c8af9c5b9266","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"22788b1a8611380b141e09a8896702e32d164238","versionType":"git"},{"version":"f52b03c707444c5a3d1a0b9c5724f93ddc3c588e","status":"affected","lessThan":"45daacbead8a009844bd5dba6cfa731332184d17","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-s3c64xx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.176","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/spi/spi-s3c64xx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/29e219a18e21258bdb4ee12cecd0e9ec87d7e6a7"},{"url":"https://git.kernel.org/stable/c/1108b8722b9ff0cdd3e8aa18d98244fcd93b6760"},{"url":"https://git.kernel.org/stable/c/323a258f4b1916b5a3098618e036e033b2f2317f"},{"url":"https://git.kernel.org/stable/c/1b66f16a571a10ba8889ac471755c8af9c5b9266"},{"url":"https://git.kernel.org/stable/c/22788b1a8611380b141e09a8896702e32d164238"},{"url":"https://git.kernel.org/stable/c/45daacbead8a009844bd5dba6cfa731332184d17"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-19T12:00:10.948Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}