{"id":"CVE-2026-98886","state":"PUBLISHED","title":"drm/gma500: return errors from Oaktrail HDMI I2C reads","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: return errors from Oaktrail HDMI I2C reads\n\nxfer_read() waits for the HDMI I2C transaction to reach\nI2C_TRANSACTION_DONE, but it ignores both timeout and signal returns from\nwait_for_completion_interruptible_timeout().  If the interrupt never\nadvances the transaction state, the loop can wait forever.\n\nReturn -ETIMEDOUT when the completion wait expires, propagate interrupted\nwaits, and make the I2C master_xfer callback return the first transfer\nerror instead of reporting a successful message count.","publishedAt":"2026-10-23T11:37:43.338Z","updatedAt":"2026-10-26T06:56:10.643Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"09a950950e7e4e74e021e60941c8e816ef1b4f71","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"898d209157fe2a245f7d9fe28c5921037d8b5033","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"15c6d7f7127a53b7312232178ecf03e5850161d2","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"8add43887cca1fe11a0ded62199ce726901d3f20","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"f85e8224bd4e1a0939cbfe13a6220fbddf61127c","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"c268df0653ab07bafc3d191e74ea097e3d9b9e69","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"9b5ce5c496efd20c1c662cedba88465d39ec1f93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","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/drm/gma500/oaktrail_hdmi_i2c.c"]}],"references":["https://git.kernel.org/stable/c/09a950950e7e4e74e021e60941c8e816ef1b4f71","https://git.kernel.org/stable/c/898d209157fe2a245f7d9fe28c5921037d8b5033","https://git.kernel.org/stable/c/15c6d7f7127a53b7312232178ecf03e5850161d2","https://git.kernel.org/stable/c/8add43887cca1fe11a0ded62199ce726901d3f20","https://git.kernel.org/stable/c/f85e8224bd4e1a0939cbfe13a6220fbddf61127c","https://git.kernel.org/stable/c/c268df0653ab07bafc3d191e74ea097e3d9b9e69","https://git.kernel.org/stable/c/9b5ce5c496efd20c1c662cedba88465d39ec1f93"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98886.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98886","state":"PUBLISHED","datePublished":"2026-10-23T11:37:43.338Z","dateUpdated":"2026-10-26T06:56:10.643Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.378Z"},"containers":{"cna":{"title":"drm/gma500: return errors from Oaktrail HDMI I2C reads","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/gma500: return errors from Oaktrail HDMI I2C reads\n\nxfer_read() waits for the HDMI I2C transaction to reach\nI2C_TRANSACTION_DONE, but it ignores both timeout and signal returns from\nwait_for_completion_interruptible_timeout().  If the interrupt never\nadvances the transaction state, the loop can wait forever.\n\nReturn -ETIMEDOUT when the completion wait expires, propagate interrupted\nwaits, and make the I2C master_xfer callback return the first transfer\nerror instead of reporting a successful message count."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"09a950950e7e4e74e021e60941c8e816ef1b4f71","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"898d209157fe2a245f7d9fe28c5921037d8b5033","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"15c6d7f7127a53b7312232178ecf03e5850161d2","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"8add43887cca1fe11a0ded62199ce726901d3f20","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"f85e8224bd4e1a0939cbfe13a6220fbddf61127c","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"c268df0653ab07bafc3d191e74ea097e3d9b9e69","versionType":"git"},{"version":"1e585b52fd8ea59792634bc31d227eb3456af22e","status":"affected","lessThan":"9b5ce5c496efd20c1c662cedba88465d39ec1f93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.1","versionType":"semver"},{"version":"5.10.271","status":"unaffected","lessThanOrEqual":"5.10.*","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/drm/gma500/oaktrail_hdmi_i2c.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/09a950950e7e4e74e021e60941c8e816ef1b4f71"},{"url":"https://git.kernel.org/stable/c/898d209157fe2a245f7d9fe28c5921037d8b5033"},{"url":"https://git.kernel.org/stable/c/15c6d7f7127a53b7312232178ecf03e5850161d2"},{"url":"https://git.kernel.org/stable/c/8add43887cca1fe11a0ded62199ce726901d3f20"},{"url":"https://git.kernel.org/stable/c/f85e8224bd4e1a0939cbfe13a6220fbddf61127c"},{"url":"https://git.kernel.org/stable/c/c268df0653ab07bafc3d191e74ea097e3d9b9e69"},{"url":"https://git.kernel.org/stable/c/9b5ce5c496efd20c1c662cedba88465d39ec1f93"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-26T06:56:10.643Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.12.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"6.18.53"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}