{"id":"CVE-2023-53541","state":"PUBLISHED","title":"mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write\n\nWhen the oob buffer length is not in multiple of words, the oob write\nfunction does out-of-bounds read on the oob source buffer at the last\niteration. Fix that by always checking length limit on the oob buffer\nread and fill with 0xff when reaching the end of the buffer to the oob\nregisters.","publishedAt":"2025-10-04T15:16:50.765Z","updatedAt":"2026-05-11T19:46:58.053Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"14b1d00520b4d6a4818364334ce472b79cfc8976","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"aae45746f4aee9818296e0500e0703e9d8caa5b8","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"d00b031266514a9395124704630b056a5185ec17","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"2353b7bb61e45e7cfd21505d0c6747ac8c9496a1","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"648d1150a688698e37f7aaf302860180901cb30e","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"5d53244186c9ac58cb88d76a0958ca55b83a15cd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/brcmnand/brcmnand.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.54","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.4","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/brcmnand/brcmnand.c"]}],"references":["https://git.kernel.org/stable/c/2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b","https://git.kernel.org/stable/c/14b1d00520b4d6a4818364334ce472b79cfc8976","https://git.kernel.org/stable/c/aae45746f4aee9818296e0500e0703e9d8caa5b8","https://git.kernel.org/stable/c/d00b031266514a9395124704630b056a5185ec17","https://git.kernel.org/stable/c/2353b7bb61e45e7cfd21505d0c6747ac8c9496a1","https://git.kernel.org/stable/c/45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25","https://git.kernel.org/stable/c/648d1150a688698e37f7aaf302860180901cb30e","https://git.kernel.org/stable/c/5d53244186c9ac58cb88d76a0958ca55b83a15cd"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53541.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53541","state":"PUBLISHED","datePublished":"2025-10-04T15:16:50.765Z","dateUpdated":"2026-05-11T19:46:58.053Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:14:15.920Z"},"containers":{"cna":{"title":"mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write\n\nWhen the oob buffer length is not in multiple of words, the oob write\nfunction does out-of-bounds read on the oob source buffer at the last\niteration. Fix that by always checking length limit on the oob buffer\nread and fill with 0xff when reaching the end of the buffer to the oob\nregisters."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"14b1d00520b4d6a4818364334ce472b79cfc8976","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"aae45746f4aee9818296e0500e0703e9d8caa5b8","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"d00b031266514a9395124704630b056a5185ec17","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"2353b7bb61e45e7cfd21505d0c6747ac8c9496a1","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"648d1150a688698e37f7aaf302860180901cb30e","versionType":"git"},{"version":"27c5b17cd1b10564fa36f8f51e4b4b41436ecc32","status":"affected","lessThan":"5d53244186c9ac58cb88d76a0958ca55b83a15cd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/brcmnand/brcmnand.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"4.14.326","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.295","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.257","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.195","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.132","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.54","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.4","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/nand/raw/brcmnand/brcmnand.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b"},{"url":"https://git.kernel.org/stable/c/14b1d00520b4d6a4818364334ce472b79cfc8976"},{"url":"https://git.kernel.org/stable/c/aae45746f4aee9818296e0500e0703e9d8caa5b8"},{"url":"https://git.kernel.org/stable/c/d00b031266514a9395124704630b056a5185ec17"},{"url":"https://git.kernel.org/stable/c/2353b7bb61e45e7cfd21505d0c6747ac8c9496a1"},{"url":"https://git.kernel.org/stable/c/45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25"},{"url":"https://git.kernel.org/stable/c/648d1150a688698e37f7aaf302860180901cb30e"},{"url":"https://git.kernel.org/stable/c/5d53244186c9ac58cb88d76a0958ca55b83a15cd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:46:58.053Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.14.326"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"4.19.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.4.257"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.195"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.132"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.5.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}