{"id":"CVE-2023-53717","state":"PUBLISHED","title":"wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()\n\nFix a stack-out-of-bounds write that occurs in a WMI response callback\nfunction that is called after a timeout occurs in ath9k_wmi_cmd().\nThe callback writes to wmi->cmd_rsp_buf, a stack-allocated buffer that\ncould no longer be valid when a timeout occurs. Set wmi->last_seq_id to\n0 when a timeout occurred.\n\nFound by a modified version of syzkaller.\n\nBUG: KASAN: stack-out-of-bounds in ath9k_wmi_ctrl_rx\nWrite of size 4\nCall Trace:\n memcpy\n ath9k_wmi_ctrl_rx\n ath9k_htc_rx_msg\n ath9k_hif_usb_reg_in_cb\n __usb_hcd_giveback_urb\n usb_hcd_giveback_urb\n dummy_timer\n call_timer_fn\n run_timer_softirq\n __do_softirq\n irq_exit_rcu\n sysvec_apic_timer_interrupt","publishedAt":"2025-10-22T13:23:50.161Z","updatedAt":"2026-05-11T19:50:29.770Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"89a33c3c847b19b19205cde1d924df2a6c70d8eb","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"ae4933b4f17de8e2b7ff6f91b17d3b0099a6d6bc","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"bf6dc175a2b53098a69db1236d9d53982f4b1bc0","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"78b56b0a613a87b61290b95be497fdfe2fe58aa6","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"1af7eacfad45149c54893a8a9df9e92ef89f0a90","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8f28513d9520184059530c01a9f928a1b3809d3f","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"554048a72d7ecfdd58cc1bfb56e0a1864e64e82c","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8a2f35b9830692f7a616f2f627f943bc748af13a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath9k/wmi.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":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/ath/ath9k/wmi.c"]}],"references":["https://git.kernel.org/stable/c/89a33c3c847b19b19205cde1d924df2a6c70d8eb","https://git.kernel.org/stable/c/ae4933b4f17de8e2b7ff6f91b17d3b0099a6d6bc","https://git.kernel.org/stable/c/bf6dc175a2b53098a69db1236d9d53982f4b1bc0","https://git.kernel.org/stable/c/78b56b0a613a87b61290b95be497fdfe2fe58aa6","https://git.kernel.org/stable/c/1af7eacfad45149c54893a8a9df9e92ef89f0a90","https://git.kernel.org/stable/c/8f28513d9520184059530c01a9f928a1b3809d3f","https://git.kernel.org/stable/c/554048a72d7ecfdd58cc1bfb56e0a1864e64e82c","https://git.kernel.org/stable/c/8a2f35b9830692f7a616f2f627f943bc748af13a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53717.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53717","state":"PUBLISHED","datePublished":"2025-10-22T13:23:50.161Z","dateUpdated":"2026-05-11T19:50:29.770Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.347Z"},"containers":{"cna":{"title":"wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()\n\nFix a stack-out-of-bounds write that occurs in a WMI response callback\nfunction that is called after a timeout occurs in ath9k_wmi_cmd().\nThe callback writes to wmi->cmd_rsp_buf, a stack-allocated buffer that\ncould no longer be valid when a timeout occurs. Set wmi->last_seq_id to\n0 when a timeout occurred.\n\nFound by a modified version of syzkaller.\n\nBUG: KASAN: stack-out-of-bounds in ath9k_wmi_ctrl_rx\nWrite of size 4\nCall Trace:\n memcpy\n ath9k_wmi_ctrl_rx\n ath9k_htc_rx_msg\n ath9k_hif_usb_reg_in_cb\n __usb_hcd_giveback_urb\n usb_hcd_giveback_urb\n dummy_timer\n call_timer_fn\n run_timer_softirq\n __do_softirq\n irq_exit_rcu\n sysvec_apic_timer_interrupt"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"89a33c3c847b19b19205cde1d924df2a6c70d8eb","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"ae4933b4f17de8e2b7ff6f91b17d3b0099a6d6bc","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"bf6dc175a2b53098a69db1236d9d53982f4b1bc0","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"78b56b0a613a87b61290b95be497fdfe2fe58aa6","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"1af7eacfad45149c54893a8a9df9e92ef89f0a90","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8f28513d9520184059530c01a9f928a1b3809d3f","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"554048a72d7ecfdd58cc1bfb56e0a1864e64e82c","versionType":"git"},{"version":"fb9987d0f748c983bb795a86f47522313f701a08","status":"affected","lessThan":"8a2f35b9830692f7a616f2f627f943bc748af13a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath9k/wmi.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":"4.14.308","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/ath/ath9k/wmi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/89a33c3c847b19b19205cde1d924df2a6c70d8eb"},{"url":"https://git.kernel.org/stable/c/ae4933b4f17de8e2b7ff6f91b17d3b0099a6d6bc"},{"url":"https://git.kernel.org/stable/c/bf6dc175a2b53098a69db1236d9d53982f4b1bc0"},{"url":"https://git.kernel.org/stable/c/78b56b0a613a87b61290b95be497fdfe2fe58aa6"},{"url":"https://git.kernel.org/stable/c/1af7eacfad45149c54893a8a9df9e92ef89f0a90"},{"url":"https://git.kernel.org/stable/c/8f28513d9520184059530c01a9f928a1b3809d3f"},{"url":"https://git.kernel.org/stable/c/554048a72d7ecfdd58cc1bfb56e0a1864e64e82c"},{"url":"https://git.kernel.org/stable/c/8a2f35b9830692f7a616f2f627f943bc748af13a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:29.770Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.14.308"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.35","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}