{"id":"CVE-2026-98876","state":"PUBLISHED","title":"host1x: bus: Fix missing ops null check in error teardown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhost1x: bus: Fix missing ops null check in error teardown\n\nIn host1x_device_init(), the error teardown paths do not check\nclient->ops before dereferencing it, unlike the forward init paths\nwhich correctly guard with 'client->ops &&'. This can result in a\nNULL pointer dereference if client->ops is NULL.\n\nFix by adding the missing client->ops check in both the teardown\nand teardown_late labels.","publishedAt":"2026-10-23T11:37:21.776Z","updatedAt":"2026-10-26T06:55:58.587Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"d8d5b6e02fc281dea33d6b0b0fadaccea56f2067","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"f1fa6c936fa9de80ae446ba5e76e227e991b8e56","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"74bd1f05d9ba2d6672d30ccafe80a38104c1f73f","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"62851e7b0e55de6fe08da08bc41fd587fbcb0e9b","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"29375e071ea201fe97bafe1d2ad9d9f30311abfb","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"71d25f668bc5c0f36ea843462e12307dea45aaa3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/host1x/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/host1x/bus.c"]}],"references":["https://git.kernel.org/stable/c/d8d5b6e02fc281dea33d6b0b0fadaccea56f2067","https://git.kernel.org/stable/c/f1fa6c936fa9de80ae446ba5e76e227e991b8e56","https://git.kernel.org/stable/c/74bd1f05d9ba2d6672d30ccafe80a38104c1f73f","https://git.kernel.org/stable/c/62851e7b0e55de6fe08da08bc41fd587fbcb0e9b","https://git.kernel.org/stable/c/29375e071ea201fe97bafe1d2ad9d9f30311abfb","https://git.kernel.org/stable/c/71d25f668bc5c0f36ea843462e12307dea45aaa3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98876.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98876","state":"PUBLISHED","datePublished":"2026-10-23T11:37:21.776Z","dateUpdated":"2026-10-26T06:55:58.587Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.377Z"},"containers":{"cna":{"title":"host1x: bus: Fix missing ops null check in error teardown","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhost1x: bus: Fix missing ops null check in error teardown\n\nIn host1x_device_init(), the error teardown paths do not check\nclient->ops before dereferencing it, unlike the forward init paths\nwhich correctly guard with 'client->ops &&'. This can result in a\nNULL pointer dereference if client->ops is NULL.\n\nFix by adding the missing client->ops check in both the teardown\nand teardown_late labels."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"d8d5b6e02fc281dea33d6b0b0fadaccea56f2067","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"f1fa6c936fa9de80ae446ba5e76e227e991b8e56","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"74bd1f05d9ba2d6672d30ccafe80a38104c1f73f","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"62851e7b0e55de6fe08da08bc41fd587fbcb0e9b","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"29375e071ea201fe97bafe1d2ad9d9f30311abfb","versionType":"git"},{"version":"8f7da1578e90bf1af30269dc6dd8806c96e9c683","status":"affected","lessThan":"71d25f668bc5c0f36ea843462e12307dea45aaa3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/host1x/bus.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.16","versionType":"semver"},{"version":"5.15.222","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.189","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.158","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.111","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.53","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/host1x/bus.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/d8d5b6e02fc281dea33d6b0b0fadaccea56f2067"},{"url":"https://git.kernel.org/stable/c/f1fa6c936fa9de80ae446ba5e76e227e991b8e56"},{"url":"https://git.kernel.org/stable/c/74bd1f05d9ba2d6672d30ccafe80a38104c1f73f"},{"url":"https://git.kernel.org/stable/c/62851e7b0e55de6fe08da08bc41fd587fbcb0e9b"},{"url":"https://git.kernel.org/stable/c/29375e071ea201fe97bafe1d2ad9d9f30311abfb"},{"url":"https://git.kernel.org/stable/c/71d25f668bc5c0f36ea843462e12307dea45aaa3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-26T06:55:58.587Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.16","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}