{"id":"DEBIAN-CVE-2024-26861","details":"In the Linux kernel, the following vulnerability has been resolved:  wireguard: receive: annotate data-race around receiving_counter.counter  Syzkaller with KCSAN identified a data-race issue when accessing keypair-\u003ereceiving_counter.counter. Use READ_ONCE() and WRITE_ONCE() annotations to mark the data race as intentional.      BUG: KCSAN: data-race in wg_packet_decrypt_worker / wg_packet_rx_poll      write to 0xffff888107765888 of 8 bytes by interrupt on cpu 0:      counter_validate drivers/net/wireguard/receive.c:321 [inline]      wg_packet_rx_poll+0x3ac/0xf00 drivers/net/wireguard/receive.c:461      __napi_poll+0x60/0x3b0 net/core/dev.c:6536      napi_poll net/core/dev.c:6605 [inline]      net_rx_action+0x32b/0x750 net/core/dev.c:6738      __do_softirq+0xc4/0x279 kernel/softirq.c:553      do_softirq+0x5e/0x90 kernel/softirq.c:454      __local_bh_enable_ip+0x64/0x70 kernel/softirq.c:381      __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]      _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210      spin_unlock_bh include/linux/spinlock.h:396 [inline]      ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline]      wg_packet_decrypt_worker+0x6c5/0x700 drivers/net/wireguard/receive.c:499      process_one_work kernel/workqueue.c:2633 [inline]      ...      read to 0xffff888107765888 of 8 bytes by task 3196 on cpu 1:      decrypt_packet drivers/net/wireguard/receive.c:252 [inline]      wg_packet_decrypt_worker+0x220/0x700 drivers/net/wireguard/receive.c:501      process_one_work kernel/workqueue.c:2633 [inline]      process_scheduled_works+0x5b8/0xa30 kernel/workqueue.c:2706      worker_thread+0x525/0x730 kernel/workqueue.c:2787      ...","modified":"2026-09-15T09:03:05.745605607Z","published":"2024-04-17T11:15:08.997Z","upstream":["CVE-2024-26861"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-26861"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.85-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26861.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26861.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.7.12-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26861.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}