CVE-2021-47080
published 2024-03-01CVE-2021-47080: In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size is…
PriorityP419medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.23%
14.1th percentile
In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Prevent divide-by-zero error triggered by the user
The user_entry_size is supplied by the user and later used as a
denominator to calculate number of entries. The zero supplied by the user
will trigger the following divide-by-zero error:
divide error: 0000 [#1] SMP KASAN PTI
CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510
Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31 ff f7 f5 48 89 d6 48 89 54 24 10 48 89 04 24 e8 1b ad 1e ff 48 8b
RSP: 0018:ffff88810416f828 EFLAGS: 00010246
RAX: 0000000000000008 RBX: 1ffff1102082df09 RCX: ffffffff82183f3d
RDX: 0000000000000000 RSI: ffff888105f2da00 RDI: 0000000000000000
RBP: ffff88810416fa98 R08: 0000000000000001 R09: ffffed102082df5f
R10: ffff88810416faf7 R11: ffffed102082df5e R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000008 R15: ffff88810416faf0
FS: 00007f5715efa740(0000) GS:ffff88811a700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000840 CR3: 000000010c2e0001 CR4: 0000000000370ea0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
? ib_uverbs_handler_UVERBS_METHOD_INFO_HANDLES+0x4b0/0x4b0
ib_uverbs_cmd_verbs+0x1546/0x1940
ib_uverbs_ioctl+0x186/0x240
__x64_sys_ioctl+0x38a/0x1220
do_syscall_64+0x3f/0x80
entry_SYSCALL_64_after_hwframe+0x44/0xae
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 5.10.40-1 (bookworm) | linux 5.10.40-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 9f85cbe50aa044a46f0a22fda323fa27b80c82da < 66ab7fcdac34b890017f04f391507ef5b2b89a13 | 66ab7fcdac34b890017f04f391507ef5b2b89a13 |
| linux | linux | >= 9f85cbe50aa044a46f0a22fda323fa27b80c82da < e6871b4270c05f8b212e7d98aee82b357972c80a | e6871b4270c05f8b212e7d98aee82b357972c80a |
| linux | linux | >= 9f85cbe50aa044a46f0a22fda323fa27b80c82da < 54d87913f147a983589923c7f651f97de9af5be1 | 54d87913f147a983589923c7f651f97de9af5be1 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 5.10.40-1 | 5.10.40-1 |
| linux | linux_kernel | >= 0 < 5.10.40-1 | 5.10.40-1 |
| linux | linux_kernel | >= 0 < 5.10.40-1 | 5.10.40-1 |
| linux | linux_kernel | >= 0 < 5.10.40-1 | 5.10.40-1 |
| linux | linux_kernel | >= 5.10 < 5.10.40 | 5.10.40 |
| linux | linux_kernel | >= 5.11 < 5.12.7 | 5.12.7 |
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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Red Hat
kernel: RDMA/core: Prevent divide-by-zero error triggered by the user
vendor_redhat·2024-03-01·CVSS 5.5
CVE-2021-47080 [MEDIUM] CWE-369 kernel: RDMA/core: Prevent divide-by-zero error triggered by the user
kernel: RDMA/core: Prevent divide-by-zero error triggered by the user
In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Prevent divide-by-zero error triggered by the user
The user_entry_size is supplied by the user and later used as a
denominator to calculate number of entries. The zero supplied by the user
will trigger the following divide-by-zero error:
divide error: 0000 [#1] SMP KASAN PTI
CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510
Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31
Debian
CVE-2021-47080: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/core: ...
vendor_debian·2021·CVSS 5.5
CVE-2021-47080 [MEDIUM] CVE-2021-47080: linux - In the Linux kernel, the following vulnerability has been resolved: RDMA/core: ...
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size is supplied by the user and later used as a denominator to calculate number of entries. The zero supplied by the user will trigger the following divide-by-zero error: divide error: 0000 [#1] SMP KASAN PTI CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510 Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31 ff f7 f5 48 89 d6 48 89 54 24 10 48 89 04 24 e8 1b ad 1e ff 48 8b RSP:
GHSA
GHSA-2h5w-7vpc-v582: In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Prevent divide-by-zero error triggered by the user
The user_entry_siz
ghsa_unreviewed·2024-03-02
CVE-2021-47080 [MEDIUM] CWE-369 GHSA-2h5w-7vpc-v582: In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Prevent divide-by-zero error triggered by the user
The user_entry_siz
In the Linux kernel, the following vulnerability has been resolved:
RDMA/core: Prevent divide-by-zero error triggered by the user
The user_entry_size is supplied by the user and later used as a
denominator to calculate number of entries. The zero supplied by the user
will trigger the following divide-by-zero error:
divide error: 0000 [#1] SMP KASAN PTI
CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510
Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31 ff f7 f5 48 89 d6 48 89 54 24 10 48 89 04 24 e8 1b ad 1e ff 48 8b
RS
OSV
CVE-2021-47080: In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size
osv·2024-03-01·CVSS 5.5
CVE-2021-47080 [MEDIUM] CVE-2021-47080: In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size
In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size is supplied by the user and later used as a denominator to calculate number of entries. The zero supplied by the user will trigger the following divide-by-zero error: divide error: 0000 [#1] SMP KASAN PTI CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:ib_uverbs_handler_UVERBS_METHOD_QUERY_GID_TABLE+0x1b1/0x510 Code: 87 59 03 00 00 e8 9f ab 1e ff 48 8d bd a8 00 00 00 e8 d3 70 41 ff 44 0f b7 b5 a8 00 00 00 e8 86 ab 1e ff 31 d2 4c 89 f0 31 ff f7 f5 48 89 d6 48 89 54 24 10 48 89 04 24 e8 1b ad 1e ff 48 8b RSP:
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/54d87913f147a983589923c7f651f97de9af5be1https://git.kernel.org/stable/c/66ab7fcdac34b890017f04f391507ef5b2b89a13https://git.kernel.org/stable/c/e6871b4270c05f8b212e7d98aee82b357972c80ahttps://git.kernel.org/stable/c/54d87913f147a983589923c7f651f97de9af5be1https://git.kernel.org/stable/c/66ab7fcdac34b890017f04f391507ef5b2b89a13https://git.kernel.org/stable/c/e6871b4270c05f8b212e7d98aee82b357972c80a
2024-03-01
Published