{"id":"DEBIAN-CVE-2023-53822","details":"In the Linux kernel, the following vulnerability has been resolved:  wifi: ath11k: Ignore frags from uninitialized peer in dp.  When max virtual ap interfaces are configured in all the bands with ACS and hostapd restart is done every 60s, a crash is observed at random times. In this certain scenario, a fragmented packet is received for self peer, for which rx_tid and rx_frags are not initialized in datapath. While handling this fragment, crash is observed as the rx_frag list is uninitialised and when we walk in ath11k_dp_rx_h_sort_frags, skb null leads to exception.  To address this, before processing received fragments we check dp_setup_done flag is set to ensure that peer has completed its dp peer setup for fragment queue, else ignore processing the fragments.  Call trace:   ath11k_dp_process_rx_err+0x550/0x1084 [ath11k]   ath11k_dp_service_srng+0x70/0x370 [ath11k]   0xffffffc009693a04   __napi_poll+0x30/0xa4   net_rx_action+0x118/0x270   __do_softirq+0x10c/0x244   irq_exit+0x64/0xb4   __handle_domain_irq+0x88/0xac   gic_handle_irq+0x74/0xbc   el1_irq+0xf0/0x1c0   arch_cpu_idle+0x10/0x18   do_idle+0x104/0x248   cpu_startup_entry+0x20/0x64   rest_init+0xd0/0xdc   arch_call_rest_init+0xc/0x14   start_kernel+0x480/0x4b8   Code: f9400281 f94066a2 91405021 b94a0023 (f9406401)  Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1","modified":"2026-09-15T09:02:55.959961306Z","published":"2025-12-09T16:17:20.993Z","upstream":["CVE-2023-53822"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-53822"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.37-1"}]}],"versions":["6.1.27-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53822.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53822.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.3.7-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-53822.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}