CVE-2023-53462: 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…

PriorityP421medium5.5CVSS 3.1

AVLACLPRLUINSUCNINAH

EPSS

0.21%

11.6th percentile

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.

Affected

16 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 6.1.55-1 (bookworm)	linux 6.1.55-1 (bookworm)
linux	linux	—	—
linux	linux	>= 451d8123f89791bb628277c0bdb4cae34a3563e6 < 1e90a93ac4845c31724ec5dc96fb51e608435a9d	1e90a93ac4845c31724ec5dc96fb51e608435a9d
linux	linux	>= 451d8123f89791bb628277c0bdb4cae34a3563e6 < 6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfd	6a4480c5e6ebaf9f797ac300e2a97a02d4e70cfd
linux	linux	>= 451d8123f89791bb628277c0bdb4cae34a3563e6 < 61866f7d814e5792bf47410d7d3ff32e49bd292a	61866f7d814e5792bf47410d7d3ff32e49bd292a
linux	linux	>= 451d8123f89791bb628277c0bdb4cae34a3563e6 < ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5	ed7a0ba7e840dc5d54cdbd8466be27e6aedce1e5
linux	linux	>= 451d8123f89791bb628277c0bdb4cae34a3563e6 < 484b4833c604c0adcf19eac1ca14b60b757355b5	484b4833c604c0adcf19eac1ca14b60b757355b5
linux	linux_kernel	—	—
linux	linux_kernel	>= 0 < 5.10.197-1	5.10.197-1
linux	linux_kernel	>= 0 < 6.1.55-1	6.1.55-1
linux	linux_kernel	>= 0 < 6.5.6-1	6.5.6-1
linux	linux_kernel	>= 0 < 6.5.6-1	6.5.6-1
linux	linux_kernel	>= 5.11 < 5.15.132	5.15.132
linux	linux_kernel	>= 5.16 < 6.1.54	6.1.54
linux	linux_kernel	>= 5.9 < 5.10.195	5.10.195
linux	linux_kernel	>= 6.2 < 6.5.4	6.5.4

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

osv5.5MEDIUM

vendor_debian5.5MEDIUM

vendor_redhat5.5MEDIUM

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