{"id":"CVE-2025-40020","state":"PUBLISHED","title":"can: peak_usb: fix shift-out-of-bounds issue","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: fix shift-out-of-bounds issue\n\nExplicitly uses a 64-bit constant when the number of bits used for its\nshifting is 32 (which is the case for PC CAN FD interfaces supported by\nthis driver).\n\n[mkl: update subject, apply manually]","publishedAt":"2025-10-24T12:24:56.311Z","updatedAt":"2026-05-11T21:40:55.650Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"572c656802781cc57f4a3231eefa83547e75ed78","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"61b1dd4c614935169d12bdecc26906e37b508618","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"48822a59ecc47d353400d38b1941d3ae7591ffff","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"176c81cbf9c4e348610a421aad800087c0401f60","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"17edec1830e48c0becd61642d0e40bc753243b16","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"eb79ed970670344380e77d62f8188e8015648d94","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"394c58017e5f41043584c345106cae16a4613710","versionType":"git"},{"version":"bb4785551f64e18b2c8bb15a3bd2b22f5ebf624d","status":"affected","lessThan":"c443be70aaee42c2d1d251e0329e0a69dd96ae54","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/usb/peak_usb/pcan_usb_core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.4","versionType":"semver"},{"version":"5.4.300","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.245","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.194","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.155","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.109","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.50","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.16.10","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/can/usb/peak_usb/pcan_usb_core.c"]}],"references":["https://git.kernel.org/stable/c/572c656802781cc57f4a3231eefa83547e75ed78","https://git.kernel.org/stable/c/61b1dd4c614935169d12bdecc26906e37b508618","https://git.kernel.org/stable/c/48822a59ecc47d353400d38b1941d3ae7591ffff","https://git.kernel.org/stable/c/176c81cbf9c4e348610a421aad800087c0401f60","https://git.kernel.org/stable/c/17edec1830e48c0becd61642d0e40bc753243b16","https://git.kernel.org/stable/c/eb79ed970670344380e77d62f8188e8015648d94","https://git.kernel.org/stable/c/394c58017e5f41043584c345106cae16a4613710","https://git.kernel.org/stable/c/c443be70aaee42c2d1d251e0329e0a69dd96ae54"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40020.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40020","state":"PUBLISHED","datePublished":"2025-10-24T12:24:56.311Z","dateUpdated":"2026-05-11T21:40:55.650Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T07:20:57.152Z"},"containers":{"cna":{"title":"can: peak_usb: fix shift-out-of-bounds issue","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: peak_usb: fix shift-out-of-bounds issue\n\nExplicitly uses a 64-bit constant when the number of bits used for its\nshifting is 32 (which is the case for PC CAN FD interfaces supported by\nthis driver).\n\n[mkl: update subject, apply 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