FKIE_CVE-2023-53462

Vulnerability from fkie_nvd - Published: 2025-10-01 12:15 - Updated: 2025-10-02 19:12
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in fill_frame_info() Syzbot reports the following uninit-value access problem. ===================================================== BUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:601 [inline] BUG: KMSAN: uninit-value in hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616 fill_frame_info net/hsr/hsr_forward.c:601 [inline] hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616 hsr_dev_xmit+0x192/0x330 net/hsr/hsr_device.c:223 __netdev_start_xmit include/linux/netdevice.h:4889 [inline] netdev_start_xmit include/linux/netdevice.h:4903 [inline] xmit_one net/core/dev.c:3544 [inline] dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3560 __dev_queue_xmit+0x34d0/0x52a0 net/core/dev.c:4340 dev_queue_xmit include/linux/netdevice.h:3082 [inline] packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3087 [inline] packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg net/socket.c:753 [inline] __sys_sendto+0x781/0xa30 net/socket.c:2176 __do_sys_sendto net/socket.c:2188 [inline] __se_sys_sendto net/socket.c:2184 [inline] __ia32_sys_sendto+0x11f/0x1c0 net/socket.c:2184 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767 slab_alloc_node mm/slub.c:3478 [inline] kmem_cache_alloc_node+0x577/0xa80 mm/slub.c:3523 kmalloc_reserve+0x148/0x470 net/core/skbuff.c:559 __alloc_skb+0x318/0x740 net/core/skbuff.c:644 alloc_skb include/linux/skbuff.h:1286 [inline] alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6299 sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2794 packet_alloc_skb net/packet/af_packet.c:2936 [inline] packet_snd net/packet/af_packet.c:3030 [inline] packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg net/socket.c:753 [inline] __sys_sendto+0x781/0xa30 net/socket.c:2176 __do_sys_sendto net/socket.c:2188 [inline] __se_sys_sendto net/socket.c:2184 [inline] __ia32_sys_sendto+0x11f/0x1c0 net/socket.c:2184 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 It is because VLAN not yet supported in hsr driver. Return error when protocol is ETH_P_8021Q in fill_frame_info() now to fix it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1e90a93ac4845c31724ec5dc96fb51e608435a9d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/484b4833c604c0adcf19eac1ca14b60b757355b5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/61866f7d814e5792bf47410d7d3ff32e49bd292a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5
Impacted products
Vendor Product Version
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{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhsr: Fix uninit-value access in fill_frame_info()\n\nSyzbot reports the following uninit-value access problem.\n\n=====================================================\nBUG: KMSAN: uninit-value in fill_frame_info net/hsr/hsr_forward.c:601 [inline]\nBUG: KMSAN: uninit-value in hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616\n fill_frame_info net/hsr/hsr_forward.c:601 [inline]\n hsr_forward_skb+0x9bd/0x30f0 net/hsr/hsr_forward.c:616\n hsr_dev_xmit+0x192/0x330 net/hsr/hsr_device.c:223\n __netdev_start_xmit include/linux/netdevice.h:4889 [inline]\n netdev_start_xmit include/linux/netdevice.h:4903 [inline]\n xmit_one net/core/dev.c:3544 [inline]\n dev_hard_start_xmit+0x247/0xa10 net/core/dev.c:3560\n __dev_queue_xmit+0x34d0/0x52a0 net/core/dev.c:4340\n dev_queue_xmit include/linux/netdevice.h:3082 [inline]\n packet_xmit+0x9c/0x6b0 net/packet/af_packet.c:276\n packet_snd net/packet/af_packet.c:3087 [inline]\n packet_sendmsg+0x8b1d/0x9f30 net/packet/af_packet.c:3119\n sock_sendmsg_nosec net/socket.c:730 [inline]\n sock_sendmsg net/socket.c:753 [inline]\n __sys_sendto+0x781/0xa30 net/socket.c:2176\n __do_sys_sendto net/socket.c:2188 [inline]\n __se_sys_sendto net/socket.c:2184 [inline]\n __ia32_sys_sendto+0x11f/0x1c0 net/socket.c:2184\n do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]\n __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178\n do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203\n do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246\n entry_SYSENTER_compat_after_hwframe+0x70/0x82\n\nUninit was created at:\n slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767\n slab_alloc_node mm/slub.c:3478 [inline]\n kmem_cache_alloc_node+0x577/0xa80 mm/slub.c:3523\n kmalloc_reserve+0x148/0x470 net/core/skbuff.c:559\n __alloc_skb+0x318/0x740 net/core/skbuff.c:644\n alloc_skb include/linux/skbuff.h:1286 [inline]\n alloc_skb_with_frags+0xc8/0xbd0 net/core/skbuff.c:6299\n sock_alloc_send_pskb+0xa80/0xbf0 net/core/sock.c:2794\n packet_alloc_skb net/packet/af_packet.c:2936 [inline]\n packet_snd net/packet/af_packet.c:3030 [inline]\n packet_sendmsg+0x70e8/0x9f30 net/packet/af_packet.c:3119\n sock_sendmsg_nosec net/socket.c:730 [inline]\n sock_sendmsg net/socket.c:753 [inline]\n __sys_sendto+0x781/0xa30 net/socket.c:2176\n __do_sys_sendto net/socket.c:2188 [inline]\n __se_sys_sendto net/socket.c:2184 [inline]\n __ia32_sys_sendto+0x11f/0x1c0 net/socket.c:2184\n do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]\n __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178\n do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203\n do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246\n entry_SYSENTER_compat_after_hwframe+0x70/0x82\n\nIt is because VLAN not yet supported in hsr driver. Return error\nwhen protocol is ETH_P_8021Q in fill_frame_info() now to fix it."
    }
  ],
  "id": "CVE-2023-53462",
  "lastModified": "2025-10-02T19:12:17.160",
  "metrics": {},
  "published": "2025-10-01T12:15:47.887",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1e90a93ac4845c31724ec5dc96fb51e608435a9d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/484b4833c604c0adcf19eac1ca14b60b757355b5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/61866f7d814e5792bf47410d7d3ff32e49bd292a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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