{"id":"CVE-2024-53156","state":"PUBLISHED","title":"wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()\n\nI found the following bug in my fuzzer:\n\n  UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51\n  index 255 is out of range for type 'htc_endpoint [22]'\n  CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n  Workqueue: events request_firmware_work_func\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x180/0x1b0\n   __ubsan_handle_out_of_bounds+0xd4/0x130\n   htc_issue_send.constprop.0+0x20c/0x230\n   ? _raw_spin_unlock_irqrestore+0x3c/0x70\n   ath9k_wmi_cmd+0x41d/0x610\n   ? mark_held_locks+0x9f/0xe0\n   ...\n\nSince this bug has been confirmed to be caused by insufficient verification\nof conn_rsp_epid, I think it would be appropriate to add a range check for\nconn_rsp_epid to htc_connect_service() to prevent the bug from occurring.","publishedAt":"2024-12-24T11:28:55.275Z","updatedAt":"2026-05-11T20:51:56.374Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"5f177fb9d01355ac183e65ad8909ea8ef734e0cf","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"cb480ae80fd4d0f1ac9e107ce799183beee5124b","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"c941af142200d975dd3be632aeb490f4cb91dae4","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8965db7fe2e913ee0802b05fc94c6d6aa74e0596","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"70eae50d2156cb6e078d0d78809b49bf2f4c7540","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"b6551479daf2bfa80bfd5d9016b02a810e508bfb","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"3fe99b9690b99606d3743c9961ebee865cfa1ab8","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"bc981179ab5d1a2715f35e3db4e4bb822bacc849","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8619593634cbdf5abf43f5714df49b04e4ef09ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath9k/htc_hst.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.35","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.35","versionType":"semver"},{"version":"4.19.325","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.287","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","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/ath/ath9k/htc_hst.c"]}],"references":["https://git.kernel.org/stable/c/5f177fb9d01355ac183e65ad8909ea8ef734e0cf","https://git.kernel.org/stable/c/cb480ae80fd4d0f1ac9e107ce799183beee5124b","https://git.kernel.org/stable/c/c941af142200d975dd3be632aeb490f4cb91dae4","https://git.kernel.org/stable/c/8965db7fe2e913ee0802b05fc94c6d6aa74e0596","https://git.kernel.org/stable/c/70eae50d2156cb6e078d0d78809b49bf2f4c7540","https://git.kernel.org/stable/c/b6551479daf2bfa80bfd5d9016b02a810e508bfb","https://git.kernel.org/stable/c/3fe99b9690b99606d3743c9961ebee865cfa1ab8","https://git.kernel.org/stable/c/bc981179ab5d1a2715f35e3db4e4bb822bacc849","https://git.kernel.org/stable/c/8619593634cbdf5abf43f5714df49b04e4ef09ab","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"],"weaknesses":["CWE-129"],"ingestedAt":"2026-10-29T20:08:04.920Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/53xxx/CVE-2024-53156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-53156","state":"PUBLISHED","datePublished":"2024-12-24T11:28:55.275Z","dateUpdated":"2026-05-11T20:51:56.374Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-11-19T17:17:25.001Z"},"containers":{"cna":{"title":"wifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: add range check for conn_rsp_epid in htc_connect_service()\n\nI found the following bug in my fuzzer:\n\n  UBSAN: array-index-out-of-bounds in drivers/net/wireless/ath/ath9k/htc_hst.c:26:51\n  index 255 is out of range for type 'htc_endpoint [22]'\n  CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.11.0-rc6-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\n  Workqueue: events request_firmware_work_func\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x180/0x1b0\n   __ubsan_handle_out_of_bounds+0xd4/0x130\n   htc_issue_send.constprop.0+0x20c/0x230\n   ? _raw_spin_unlock_irqrestore+0x3c/0x70\n   ath9k_wmi_cmd+0x41d/0x610\n   ? mark_held_locks+0x9f/0xe0\n   ...\n\nSince this bug has been confirmed to be caused by insufficient verification\nof conn_rsp_epid, I think it would be appropriate to add a range check for\nconn_rsp_epid to htc_connect_service() to prevent the bug from occurring."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"5f177fb9d01355ac183e65ad8909ea8ef734e0cf","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"cb480ae80fd4d0f1ac9e107ce799183beee5124b","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"c941af142200d975dd3be632aeb490f4cb91dae4","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8965db7fe2e913ee0802b05fc94c6d6aa74e0596","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"70eae50d2156cb6e078d0d78809b49bf2f4c7540","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"b6551479daf2bfa80bfd5d9016b02a810e508bfb","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"3fe99b9690b99606d3743c9961ebee865cfa1ab8","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"bc981179ab5d1a2715f35e3db4e4bb822bacc849","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8619593634cbdf5abf43f5714df49b04e4ef09ab","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath9k/htc_hst.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.35","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.35","versionType":"semver"},{"version":"4.19.325","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.287","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.64","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.11.11","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12.2","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","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/ath/ath9k/htc_hst.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5f177fb9d01355ac183e65ad8909ea8ef734e0cf"},{"url":"https://git.kernel.org/stable/c/cb480ae80fd4d0f1ac9e107ce799183beee5124b"},{"url":"https://git.kernel.org/stable/c/c941af142200d975dd3be632aeb490f4cb91dae4"},{"url":"https://git.kernel.org/stable/c/8965db7fe2e913ee0802b05fc94c6d6aa74e0596"},{"url":"https://git.kernel.org/stable/c/70eae50d2156cb6e078d0d78809b49bf2f4c7540"},{"url":"https://git.kernel.org/stable/c/b6551479daf2bfa80bfd5d9016b02a810e508bfb"},{"url":"https://git.kernel.org/stable/c/3fe99b9690b99606d3743c9961ebee865cfa1ab8"},{"url":"https://git.kernel.org/stable/c/bc981179ab5d1a2715f35e3db4e4bb822bacc849"},{"url":"https://git.kernel.org/stable/c/8619593634cbdf5abf43f5714df49b04e4ef09ab"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:51:56.374Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.19.325"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.4.287"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.10.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.15.174"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.6.64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.11.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.12.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndEx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ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2024-53156","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T20:09:36.136027Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-129","lang":"en","type":"CWE","description":"CWE-129 Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T20:17:08.690Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:46:44.047Z"}}]}}}