CVE-2025-21790
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-21790
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21790.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-21790
- Downstream
- Related
- Published
- 2025-02-27T02:18:28Z
- Modified
- 2025-10-10T07:20:02.767543Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- vxlan: check vxlan_vnigroup_init() return value
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
vxlan: check vxlanvnigroupinit() return value
vxlaninit() must check vxlanvnigroup_init() success otherwise a crash happens later, spotted by syzbot.
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000160-0x0000000000000167] CPU: 0 UID: 0 PID: 7313 Comm: syz-executor147 Not tainted 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:vxlanvnigroupuninit+0x89/0x500 drivers/net/vxlan/vxlanvnifilter.c:912 Code: 00 48 8b 44 24 08 4c 8b b0 98 41 00 00 49 8d 86 60 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4d 04 00 00 49 8b 86 60 01 00 00 48 ba 00 00 00 RSP: 0018:ffffc9000cc1eea8 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8672effb RDX: 000000000000002c RSI: ffffffff8672ecb9 RDI: ffff8880461b4f18 RBP: ffff8880461b4ef4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000020000 R13: ffff8880461b0d80 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fecfa95d6c0(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fecfa95cfb8 CR3: 000000004472c000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> vxlanuninit+0x1ab/0x200 drivers/net/vxlan/vxlancore.c:2942 unregisternetdevicemanynotify+0x12d6/0x1f30 net/core/dev.c:11824 unregisternetdevicemany net/core/dev.c:11866 [inline] unregisternetdevicequeue+0x307/0x3f0 net/core/dev.c:11736 registernetdevice+0x1829/0x1eb0 net/core/dev.c:10901 _vxlandevcreate+0x7c6/0xa30 drivers/net/vxlan/vxlancore.c:3981 vxlannewlink+0xd1/0x130 drivers/net/vxlan/vxlancore.c:4407 rtnlnewlinkcreate net/core/rtnetlink.c:3795 [inline] _rtnl_newlink net/core/rtnetlink.c:3906 [inline]
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/3215f5aafc49aaa993991633833854694e73b439
- https://git.kernel.org/stable/c/5805402dcc56241987bca674a1b4da79a249bab7
- https://git.kernel.org/stable/c/79aea5e55156c87dc570e43fcd8bba01b9d6ab3f
- https://git.kernel.org/stable/c/a303649b99b64858d62ce7428125d8e71675d2b6
- https://git.kernel.org/stable/c/e860f847787fbbf0d8dacd638c019c7c3d4a9bd3
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf9c4bb0b245cee35ef66f75bf409c9573d934cf9Fixed79aea5e55156c87dc570e43fcd8bba01b9d6ab3f
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf9c4bb0b245cee35ef66f75bf409c9573d934cf9Fixeda303649b99b64858d62ce7428125d8e71675d2b6
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf9c4bb0b245cee35ef66f75bf409c9573d934cf9Fixede860f847787fbbf0d8dacd638c019c7c3d4a9bd3
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf9c4bb0b245cee35ef66f75bf409c9573d934cf9Fixed3215f5aafc49aaa993991633833854694e73b439
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf9c4bb0b245cee35ef66f75bf409c9573d934cf9Fixed5805402dcc56241987bca674a1b4da79a249bab7