{"id":"CVE-2026-31549","state":"PUBLISHED","title":"i2c: cp2615: fix serial string NULL-deref at probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: cp2615: fix serial string NULL-deref at probe\n\nThe cp2615 driver uses the USB device serial string as the i2c adapter\nname but does not make sure that the string exists.\n\nVerify that the device has a serial number before accessing it to avoid\ntriggering a NULL-pointer dereference (e.g. with malicious devices).","publishedAt":"2026-04-24T14:33:16.814Z","updatedAt":"2026-05-11T22:10:55.565Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"e68c267787778bcdf3d91b06f794faaba7f0d1d1","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"4a22af879172336370ae3e81e7f65fb2f69472ee","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"69aece634a7eebafd9a596e5494d52facf6f26ec","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"13ccf9b106bba121728f1625c4375a1bd8f5c5a3","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"a9778298f47036866ea15eeb17242e8a4612580f","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"efe996bcfe50c2dcc6cf65c574285713b722ced7","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"aa79f996eb41e95aed85a1bd7f56bcd6a3842008","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-cp2615.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.10","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/i2c/busses/i2c-cp2615.c"]}],"references":["https://git.kernel.org/stable/c/e68c267787778bcdf3d91b06f794faaba7f0d1d1","https://git.kernel.org/stable/c/4a22af879172336370ae3e81e7f65fb2f69472ee","https://git.kernel.org/stable/c/69aece634a7eebafd9a596e5494d52facf6f26ec","https://git.kernel.org/stable/c/13ccf9b106bba121728f1625c4375a1bd8f5c5a3","https://git.kernel.org/stable/c/a9778298f47036866ea15eeb17242e8a4612580f","https://git.kernel.org/stable/c/efe996bcfe50c2dcc6cf65c574285713b722ced7","https://git.kernel.org/stable/c/aa79f996eb41e95aed85a1bd7f56bcd6a3842008"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31549.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31549","state":"PUBLISHED","datePublished":"2026-04-24T14:33:16.814Z","dateUpdated":"2026-05-11T22:10:55.565Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.115Z"},"containers":{"cna":{"title":"i2c: cp2615: fix serial string NULL-deref at probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: cp2615: fix serial string NULL-deref at probe\n\nThe cp2615 driver uses the USB device serial string as the i2c adapter\nname but does not make sure that the string exists.\n\nVerify that the device has a serial number before accessing it to avoid\ntriggering a NULL-pointer dereference (e.g. with malicious devices)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"e68c267787778bcdf3d91b06f794faaba7f0d1d1","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"4a22af879172336370ae3e81e7f65fb2f69472ee","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"69aece634a7eebafd9a596e5494d52facf6f26ec","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"13ccf9b106bba121728f1625c4375a1bd8f5c5a3","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"a9778298f47036866ea15eeb17242e8a4612580f","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"efe996bcfe50c2dcc6cf65c574285713b722ced7","versionType":"git"},{"version":"4a7695429eade517b07ea72f9ec366130e81a076","status":"affected","lessThan":"aa79f996eb41e95aed85a1bd7f56bcd6a3842008","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-cp2615.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.20","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.10","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/i2c/busses/i2c-cp2615.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e68c267787778bcdf3d91b06f794faaba7f0d1d1"},{"url":"https://git.kernel.org/stable/c/4a22af879172336370ae3e81e7f65fb2f69472ee"},{"url":"https://git.kernel.org/stable/c/69aece634a7eebafd9a596e5494d52facf6f26ec"},{"url":"https://git.kernel.org/stable/c/13ccf9b106bba121728f1625c4375a1bd8f5c5a3"},{"url":"https://git.kernel.org/stable/c/a9778298f47036866ea15eeb17242e8a4612580f"},{"url":"https://git.kernel.org/stable/c/efe996bcfe50c2dcc6cf65c574285713b722ced7"},{"url":"https://git.kernel.org/stable/c/aa79f996eb41e95aed85a1bd7f56bcd6a3842008"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:10:55.565Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}