{
  "threat_severity" : "Low",
  "public_date" : "2025-03-27T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: Revert \"wifi: mac80211: fix memory leak in ieee80211_if_add()\"",
    "id" : "2355440",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2355440"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nRevert \"wifi: mac80211: fix memory leak in ieee80211_if_add()\"\nThis reverts commit 13e5afd3d773c6fc6ca2b89027befaaaa1ea7293.\nieee80211_if_free() is already called from free_netdev(ndev)\nbecause ndev->priv_destructor == ieee80211_if_free\nsyzbot reported:\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027]\nCPU: 0 PID: 10041 Comm: syz-executor.0 Not tainted 6.2.0-rc2-syzkaller-00388-g55b98837e37d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\nRIP: 0010:pcpu_get_page_chunk mm/percpu.c:262 [inline]\nRIP: 0010:pcpu_chunk_addr_search mm/percpu.c:1619 [inline]\nRIP: 0010:free_percpu mm/percpu.c:2271 [inline]\nRIP: 0010:free_percpu+0x186/0x10f0 mm/percpu.c:2254\nCode: 80 3c 02 00 0f 85 f5 0e 00 00 48 8b 3b 48 01 ef e8 cf b3 0b 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 20 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 3b 0e 00 00 48 8b 58 20 48 b8 00 00 00 00 00 fc\nRSP: 0018:ffffc90004ba7068 EFLAGS: 00010002\nRAX: 0000000000000000 RBX: ffff88823ffe2b80 RCX: 0000000000000004\nRDX: dffffc0000000000 RSI: ffffffff81c1f4e7 RDI: 0000000000000020\nRBP: ffffe8fffe8fc220 R08: 0000000000000005 R09: 0000000000000000\nR10: 0000000000000000 R11: 1ffffffff2179ab2 R12: ffff8880b983d000\nR13: 0000000000000003 R14: 0000607f450fc220 R15: ffff88823ffe2988\nFS: 00007fcb349de700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b32220000 CR3: 000000004914f000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<TASK>\nnetdev_run_todo+0x6bf/0x1100 net/core/dev.c:10352\nieee80211_register_hw+0x2663/0x4040 net/mac80211/main.c:1411\nmac80211_hwsim_new_radio+0x2537/0x4d80 drivers/net/wireless/mac80211_hwsim.c:4583\nhwsim_new_radio_nl+0xa09/0x10f0 drivers/net/wireless/mac80211_hwsim.c:5176\ngenl_family_rcv_msg_doit.isra.0+0x1e6/0x2d0 net/netlink/genetlink.c:968\ngenl_family_rcv_msg net/netlink/genetlink.c:1048 [inline]\ngenl_rcv_msg+0x4ff/0x7e0 net/netlink/genetlink.c:1065\nnetlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2564\ngenl_rcv+0x28/0x40 net/netlink/genetlink.c:1076\nnetlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]\nnetlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1356\nnetlink_sendmsg+0x91b/0xe10 net/netlink/af_netlink.c:1932\nsock_sendmsg_nosec net/socket.c:714 [inline]\nsock_sendmsg+0xd3/0x120 net/socket.c:734\n____sys_sendmsg+0x712/0x8c0 net/socket.c:2476\n___sys_sendmsg+0x110/0x1b0 net/socket.c:2530\n__sys_sendmsg+0xf7/0x1c0 net/socket.c:2559\ndo_syscall_x64 arch/x86/entry/common.c:50 [inline]\ndo_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80\nentry_SYSCALL_64_after_hwframe+0x63/0xcd", "A flaw was found in the mac80211 module in the Linux kernel. When the device can not be registered due to an error, its memory is released twice, causing a NULL pointer to dereference, resulting in a system crash and a denial of service." ],
  "statement" : "This issue has been fixed in Red Hat Enterprise Linux 8.9 and 9.3 via RHSA-2023:7077 [1] and RHSA-2023:6583 [2], respectively.\n[1]. https://access.redhat.com/errata/RHSA-2023:7077\n[2]. https://access.redhat.com/errata/RHSA-2023:6583",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2023-11-14T00:00:00Z",
    "advisory" : "RHSA-2023:7077",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-513.5.1.el8_9"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2023-11-07T00:00:00Z",
    "advisory" : "RHSA-2023:6583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-362.8.1.el9_3"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2023-53028\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53028\nhttps://lore.kernel.org/linux-cve-announce/2025032720-CVE-2023-53028-8be6@gregkh/T" ],
  "name" : "CVE-2023-53028",
  "csaw" : false
}