{
  "cveId": "CVE-2022-50265",
  "url": "https://patchblox.com/security/cve/CVE-2022-50265",
  "summary": "CVE-2022-50265 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50265, released September 15, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  kcm: annotate data-races around kcm-\u003Erx_wait  kc...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  kcm: annotate data-races around kcm-\u003Erx_wait  kcm-\u003Erx_psock can be read locklessly in kcm_rfree(). Annotate the read and writes accordingly.  syzbot reported:  BUG: KCSAN: data-race in kcm_rcv_strparser / kcm_rfree  write to 0xffff88810784e3d0 of 1 bytes by task 1823 on cpu 1: reserve_rx_kcm net/kcm/kcmsock.c:283 [inline] kcm_rcv_strparser\u002B0x250/0x3a0 net/kcm/kcmsock.c:363 __strp_recv\u002B0x64c/0xd20 net/strparser/strparser.c:301 strp_recv\u002B0x6d/0x80 net/strparser/strparser.c:335 tcp_read_sock\u002B0x13e/0x5a0 net/ipv4/tcp.c:1703 strp_read_sock net/strparser/strparser.c:358 [inline] do_strp_work net/strparser/strparser.c:406 [inline] strp_work\u002B0xe8/0x180 net/strparser/strparser.c:415 process_one_work\u002B0x3d3/0x720 kernel/workqueue.c:2289 worker_thread\u002B0x618/0xa70 kernel/workqueue.c:2436 kthread\u002B0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork\u002B0x1f/0x30 arch/x86/entry/entry_64.S:306  read to 0xffff88810784e3d0 of 1 bytes by task 17869 on cpu 0: kcm_rfree\u002B0x121/0x220 net/kcm/kcmsock.c:181 skb_release_head_state\u002B0x8e/0x160 net/core/skbuff.c:841 skb_release_all net/core/skbuff.c:852 [inline] __kfree_skb net/core/skbuff.c:868 [inline] kfree_skb_reason\u002B0x5c/0x260 net/core/skbuff.c:891 kfree_skb include/linux/skbuff.h:1216 [inline] kcm_recvmsg\u002B0x226/0x2b0 net/kcm/kcmsock.c:1161 ____sys_recvmsg\u002B0x16c/0x2e0 ___sys_recvmsg net/socket.c:2743 [inline] do_recvmmsg\u002B0x2f1/0x710 net/socket.c:2837 __sys_recvmmsg net/socket.c:2916 [inline] __do_sys_recvmmsg net/socket.c:2939 [inline] __se_sys_recvmmsg net/socket.c:2932 [inline] __x64_sys_recvmmsg\u002B0xde/0x160 net/socket.c:2932 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64\u002B0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe\u002B0x63/0xcd  value changed: 0x01 -\u003E 0x00  Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 17869 Comm: syz-executor.2 Not tainted 6.1.0-rc1-syzkaller-00010-gbb1a1146467a-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022",
  "published": "2025-09-15T15:15:37Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00159,
  "epssPercentile": 0.05123,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.7-1",
      "fix": "DEBIAN-CVE-2022-50265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50265",
      "released": "2025-09-15T15:15:37Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.7-1",
      "fix": "DEBIAN-CVE-2022-50265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50265",
      "released": "2025-09-15T15:15:37Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.7-1",
      "fix": "DEBIAN-CVE-2022-50265",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-50265",
      "released": "2025-09-15T15:15:37Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}