cbcvebase.
CVE-2022-49691
published 2025-02-26

CVE-2022-49691: In the Linux kernel, the following vulnerability has been resolved: erspan: do not assume transport header is always set Rewrite tests in…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.28%
20.4th percentile
In the Linux kernel, the following vulnerability has been resolved: erspan: do not assume transport header is always set Rewrite tests in ip6erspan_tunnel_xmit() and erspan_fb_xmit() to not assume transport header is set. syzbot reported: WARNING: CPU: 0 PID: 1350 at include/linux/skbuff.h:2911 skb_transport_header include/linux/skbuff.h:2911 [inline] WARNING: CPU: 0 PID: 1350 at include/linux/skbuff.h:2911 ip6erspan_tunnel_xmit+0x15af/0x2eb0 net/ipv6/ip6_gre.c:963 Modules linked in: CPU: 0 PID: 1350 Comm: aoe_tx0 Not tainted 5.19.0-rc2-syzkaller-00160-g274295c6e53f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:skb_transport_header include/linux/skbuff.h:2911 [inline] RIP: 0010:ip6erspan_tunnel_xmit+0x15af/0x2eb0 net/ipv6/ip6_gre.c:963 Code: 0f 47 f0 40 88 b5 7f fe ff ff e8 8c 16 4b f9 89 de bf ff ff ff ff e8 a0 12 4b f9 66 83 fb ff 0f 85 1d f1 ff ff e8 71 16 4b f9 0b e9 43 f0 ff ff e8 65 16 4b f9 48 8d 85 30 ff ff ff ba 60 00 RSP: 0018:ffffc90005daf910 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000000000ffff RCX: 0000000000000000 RDX: ffff88801f032100 RSI: ffffffff882e8d3f RDI: 0000000000000003 RBP: ffffc90005dafab8 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000000 R12: ffff888024f21d40 R13: 000000000000a288 R14: 00000000000000b0 R15: ffff888025a2e000 FS: 0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e425000 CR3: 000000006d099000 CR4: 0000000000152ef0 Call Trace: __netdev_start_xmit include/linux/netdevice.h:4805 [inline] netdev_start_xmit include/linux/netdevice.h:4819 [inline] xmit_one net/core/dev.c:3588 [inline] dev_hard_start_xmit+0x188/0x880 net/core/dev.c:3604 sch_direct_xmit+0x19f/0xbe0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3815 [inline] __dev_queue_xmit+0x14a1/0x3900 net/core/dev.c:4219 dev_queue_xmit include/linux/netdevice.h:2994 [inline] tx+0x6a/0xc0 driver

Affected

18 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.18.14-1 (bookworm)linux 5.18.14-1 (bookworm)
linuxlinux——
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < fb401f37f6eadf24956d93687e5758c163c0d12bfb401f37f6eadf24956d93687e5758c163c0d12b
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < 02da602bc2f353dccd9e489a604490034ded941e02da602bc2f353dccd9e489a604490034ded941e
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < cec9867ee55478ef5dcb2adf030fe0c442a4c4eecec9867ee55478ef5dcb2adf030fe0c442a4c4ee
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < a3b2470399f679587c45abe56e551caf10becca2a3b2470399f679587c45abe56e551caf10becca2
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < 2c8aeffc7c586d53e1d380f010bdca4f710f24802c8aeffc7c586d53e1d380f010bdca4f710f2480
linuxlinux>= d5db21a3e6977dcb42cee3d16cd69901fa66510a < 301bd140ed0b24f0da660874c7e8a47dad8c8222301bd140ed0b24f0da660874c7e8a47dad8c8222
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 5.10.127-15.10.127-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 4.18 < 4.19.2504.19.250
linuxlinux_kernel>= 4.20 < 5.4.2025.4.202
linuxlinux_kernel>= 5.11 < 5.15.515.15.51
linuxlinux_kernel>= 5.16 < 5.18.85.18.8
linuxlinux_kernel>= 5.5 < 5.10.1275.10.127

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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