{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53822","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-09T01:27:17.824Z","datePublished":"2025-12-09T01:29:35.206Z","dateUpdated":"2026-05-11T19:52:12.285Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:52:12.285Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: Ignore frags from uninitialized peer in dp.\n\nWhen max virtual ap interfaces are configured in all the bands with\nACS and hostapd restart is done every 60s, a crash is observed at\nrandom times.\nIn this certain scenario, a fragmented packet is received for\nself peer, for which rx_tid and rx_frags are not initialized in\ndatapath. While handling this fragment, crash is observed as the\nrx_frag list is uninitialised and when we walk in\nath11k_dp_rx_h_sort_frags, skb null leads to exception.\n\nTo address this, before processing received fragments we check\ndp_setup_done flag is set to ensure that peer has completed its\ndp peer setup for fragment queue, else ignore processing the\nfragments.\n\nCall trace:\n  ath11k_dp_process_rx_err+0x550/0x1084 [ath11k]\n  ath11k_dp_service_srng+0x70/0x370 [ath11k]\n  0xffffffc009693a04\n  __napi_poll+0x30/0xa4\n  net_rx_action+0x118/0x270\n  __do_softirq+0x10c/0x244\n  irq_exit+0x64/0xb4\n  __handle_domain_irq+0x88/0xac\n  gic_handle_irq+0x74/0xbc\n  el1_irq+0xf0/0x1c0\n  arch_cpu_idle+0x10/0x18\n  do_idle+0x104/0x248\n  cpu_startup_entry+0x20/0x64\n  rest_init+0xd0/0xdc\n  arch_call_rest_init+0xc/0x14\n  start_kernel+0x480/0x4b8\n  Code: f9400281 f94066a2 91405021 b94a0023 (f9406401)\n\nTested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/dp.c","drivers/net/wireless/ath/ath11k/dp_rx.c","drivers/net/wireless/ath/ath11k/peer.h"],"versions":[{"version":"d5c65159f2895379e11ca13f62feabe93278985d","lessThan":"e78526a06b53718bfc1dfff37864c7760e41f8ec","status":"affected","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","lessThan":"41efc47f5bc53e63461579e206adc17c4452ab6e","status":"affected","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","lessThan":"a06bfb3c9f69f303692cdae87bc0899d2ae8b2a6","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/dp.c","drivers/net/wireless/ath/ath11k/dp_rx.c","drivers/net/wireless/ath/ath11k/peer.h"],"versions":[{"version":"5.6","status":"affected"},{"version":"0","lessThan":"5.6","status":"unaffected","versionType":"semver"},{"version":"6.1.30","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.3.4","lessThanOrEqual":"6.3.*","status":"unaffected","versionType":"semver"},{"version":"6.4","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.3.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.4"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e78526a06b53718bfc1dfff37864c7760e41f8ec"},{"url":"https://git.kernel.org/stable/c/41efc47f5bc53e63461579e206adc17c4452ab6e"},{"url":"https://git.kernel.org/stable/c/a06bfb3c9f69f303692cdae87bc0899d2ae8b2a6"}],"title":"wifi: ath11k: Ignore frags from uninitialized peer in dp.","x_generator":{"engine":"bippy-1.2.0"}}}}