{"id":"CVE-2026-23197","state":"PUBLISHED","title":"i2c: imx: preserve error state in block data length handler","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: imx: preserve error state in block data length handler\n\nWhen a block read returns an invalid length, zero or >I2C_SMBUS_BLOCK_MAX,\nthe length handler sets the state to IMX_I2C_STATE_FAILED. However,\ni2c_imx_master_isr() unconditionally overwrites this with\nIMX_I2C_STATE_READ_CONTINUE, causing an endless read loop that overruns\nbuffers and crashes the system.\n\nGuard the state transition to preserve error states set by the length\nhandler.","publishedAt":"2026-02-14T16:27:22.919Z","updatedAt":"2026-05-11T22:02:12.157Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5f5c2d4579ca6836f5604cca979debd68ecfe23f","status":"affected","lessThan":"3f9b508b3eecc00a243edf320bd83834d6a9b482","versionType":"git"},{"version":"5f5c2d4579ca6836f5604cca979debd68ecfe23f","status":"affected","lessThan":"b126097b0327437048bd045a0e4d273dea2910dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.10","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]}],"references":["https://git.kernel.org/stable/c/3f9b508b3eecc00a243edf320bd83834d6a9b482","https://git.kernel.org/stable/c/b126097b0327437048bd045a0e4d273dea2910dd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23197.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23197","state":"PUBLISHED","datePublished":"2026-02-14T16:27:22.919Z","dateUpdated":"2026-05-11T22:02:12.157Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.985Z"},"containers":{"cna":{"title":"i2c: imx: preserve error state in block data length handler","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: imx: preserve error state in block data length handler\n\nWhen a block read returns an invalid length, zero or >I2C_SMBUS_BLOCK_MAX,\nthe length handler sets the state to IMX_I2C_STATE_FAILED. However,\ni2c_imx_master_isr() unconditionally overwrites this with\nIMX_I2C_STATE_READ_CONTINUE, causing an endless read loop that overruns\nbuffers and crashes the system.\n\nGuard the state transition to preserve error states set by the length\nhandler."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5f5c2d4579ca6836f5604cca979debd68ecfe23f","status":"affected","lessThan":"3f9b508b3eecc00a243edf320bd83834d6a9b482","versionType":"git"},{"version":"5f5c2d4579ca6836f5604cca979debd68ecfe23f","status":"affected","lessThan":"b126097b0327437048bd045a0e4d273dea2910dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.10","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3f9b508b3eecc00a243edf320bd83834d6a9b482"},{"url":"https://git.kernel.org/stable/c/b126097b0327437048bd045a0e4d273dea2910dd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:02:12.157Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}