{"id":"CVE-2026-98407","state":"PUBLISHED","title":"wifi: rsi: fix heap OOB write on key removal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: fix heap OOB write on key removal\n\nWhen a key is removed (data == NULL), rsi_hal_load_key() runs:\n\n\tmemset(&set_key[FRAME_DESC_SZ], 0, frame_len - FRAME_DESC_SZ);\n\nset_key is a struct rsi_set_key *, so the subscript is scaled by\nsizeof(struct rsi_set_key) (160 bytes): &set_key[FRAME_DESC_SZ] is\nskb->data + 2560, and the memset writes 144 zero bytes starting\n2.4KB past the end of the 160-byte skb data buffer, corrupting\nunrelated heap objects. The intended byte offset would have been\n(u8 *)set_key + FRAME_DESC_SZ.\n\nThe write fires on every DISABLE_KEY callback, so plain disconnects,\nroams and interface teardowns trigger it on real networks.\n\nThe memset is redundant: the whole buffer is zeroed right after\nallocation, so the frame sent to the device is byte-identical\nwithout it. Drop the else branch; normal operation is unaffected.\n\nDiscovered by Atuin - Automated Vulnerability Discovery Engine.","publishedAt":"2026-10-14T13:27:41.799Z","updatedAt":"2026-10-19T09:19:00.454Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"b79e2f6585c014c42384f4caa7a37b3e5d26179c","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"c67fb3b875a83f9ba92afea4036c7b541f77512a","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"62d40db89180cfab7a917395f9ffc1dac62b0019","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"00bea3589255603c38766cac4a4d6d36493b2556","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"ac599cf8edf8aa2dae546f04d3f1849e32c2e738","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"f4f2852b664c3ff1436785cd11258a0ce25b74b3","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"8dab6ee020b2cd951b670626ba44a95cd4deac3d","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"e6c5ed7a98d7bc8b0f7918246f1c90ddb3f79dfa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/rsi/rsi_91x_mgmt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","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":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/rsi/rsi_91x_mgmt.c"]}],"references":["https://git.kernel.org/stable/c/b79e2f6585c014c42384f4caa7a37b3e5d26179c","https://git.kernel.org/stable/c/c67fb3b875a83f9ba92afea4036c7b541f77512a","https://git.kernel.org/stable/c/62d40db89180cfab7a917395f9ffc1dac62b0019","https://git.kernel.org/stable/c/00bea3589255603c38766cac4a4d6d36493b2556","https://git.kernel.org/stable/c/ac599cf8edf8aa2dae546f04d3f1849e32c2e738","https://git.kernel.org/stable/c/f4f2852b664c3ff1436785cd11258a0ce25b74b3","https://git.kernel.org/stable/c/8dab6ee020b2cd951b670626ba44a95cd4deac3d","https://git.kernel.org/stable/c/e6c5ed7a98d7bc8b0f7918246f1c90ddb3f79dfa"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98407.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98407","state":"PUBLISHED","datePublished":"2026-10-14T13:27:41.799Z","dateUpdated":"2026-10-19T09:19:00.454Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.347Z"},"containers":{"cna":{"title":"wifi: rsi: fix heap OOB write on key removal","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: fix heap OOB write on key removal\n\nWhen a key is removed (data == NULL), rsi_hal_load_key() runs:\n\n\tmemset(&set_key[FRAME_DESC_SZ], 0, frame_len - FRAME_DESC_SZ);\n\nset_key is a struct rsi_set_key *, so the subscript is scaled by\nsizeof(struct rsi_set_key) (160 bytes): &set_key[FRAME_DESC_SZ] is\nskb->data + 2560, and the memset writes 144 zero bytes starting\n2.4KB past the end of the 160-byte skb data buffer, corrupting\nunrelated heap objects. The intended byte offset would have been\n(u8 *)set_key + FRAME_DESC_SZ.\n\nThe write fires on every DISABLE_KEY callback, so plain disconnects,\nroams and interface teardowns trigger it on real networks.\n\nThe memset is redundant: the whole buffer is zeroed right after\nallocation, so the frame sent to the device is byte-identical\nwithout it. Drop the else branch; normal operation is unaffected.\n\nDiscovered by Atuin - Automated Vulnerability Discovery Engine."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"b79e2f6585c014c42384f4caa7a37b3e5d26179c","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"c67fb3b875a83f9ba92afea4036c7b541f77512a","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"62d40db89180cfab7a917395f9ffc1dac62b0019","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"00bea3589255603c38766cac4a4d6d36493b2556","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"ac599cf8edf8aa2dae546f04d3f1849e32c2e738","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"f4f2852b664c3ff1436785cd11258a0ce25b74b3","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"8dab6ee020b2cd951b670626ba44a95cd4deac3d","versionType":"git"},{"version":"dad0d04fa7ba41ce603a01e8e64967650303e9a2","status":"affected","lessThan":"e6c5ed7a98d7bc8b0f7918246f1c90ddb3f79dfa","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/rsi/rsi_91x_mgmt.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","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":"6.12.112","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/rsi/rsi_91x_mgmt.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b79e2f6585c014c42384f4caa7a37b3e5d26179c"},{"url":"https://git.kernel.org/stable/c/c67fb3b875a83f9ba92afea4036c7b541f77512a"},{"url":"https://git.kernel.org/stable/c/62d40db89180cfab7a917395f9ffc1dac62b0019"},{"url":"https://git.kernel.org/stable/c/00bea3589255603c38766cac4a4d6d36493b2556"},{"url":"https://git.kernel.org/stable/c/ac599cf8edf8aa2dae546f04d3f1849e32c2e738"},{"url":"https://git.kernel.org/stable/c/f4f2852b664c3ff1436785cd11258a0ce25b74b3"},{"url":"https://git.kernel.org/stable/c/8dab6ee020b2cd951b670626ba44a95cd4deac3d"},{"url":"https://git.kernel.org/stable/c/e6c5ed7a98d7bc8b0f7918246f1c90ddb3f79dfa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:19:00.454Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}