CVE-2024-26746
published 2024-04-04CVE-2024-26746: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USERCOPY is…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.22%
13.2th percentile
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Ensure safe user copy of completion record
If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from
event log cache to user triggers a kernel bug.
[ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)!
[ 1987.170845] ------------[ cut here ]------------
[ 1987.176086] kernel BUG at mm/usercopy.c:102!
[ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5
[ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023
[ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd]
[ 1987.212338] RIP: 0010:usercopy_abort+0x72/0x90
[ 1987.217381] Code: 58 65 9c 50 48 c7 c2 17 85 61 9c 57 48 c7 c7 98 fd 6b 9c 48 0f 44 d6 48 c7 c6 b3 08 62 9c 4c 89 d1 49 0f 44 f3 e8 1e 2e d5 ff 0b 49 c7 c1 9e 42 61 9c 4c 89 cf 4d 89 c8 eb a9 66 66 2e 0f 1f
[ 1987.238505] RSP: 0018:ff62f5cf20607d60 EFLAGS: 00010246
[ 1987.244423] RAX: 000000000000005f RBX: 000000000000001f RCX: 0000000000000000
[ 1987.252480] RDX: 0000000000000000 RSI: ffffffff9c61429e RDI: 00000000ffffffff
[ 1987.260538] RBP: ff62f5cf20607d78 R08: ff2a6a89ef3fffe8 R09: 00000000fffeffff
[ 1987.268595] R10: ff2a6a89eed00000 R11: 0000000000000003 R12: ff2a66934849c89a
[ 1987.276652] R13: 0000000000000001 R14: ff2a66934849c8b9 R15: ff2a66934849c899
[ 1987.284710] FS: 0000000000000000(0000) GS:ff2a66b22fe40000(0000) knlGS:0000000000000000
[ 1987.293850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1987.300355] CR2: 00007fe291a37000 CR3: 000000010fbd4005 CR4: 0000000000f71ef0
[ 1987.308413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1987.316470] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
[ 1987.324527] PKRU: 55555554
[ 1987.327622] Call Trace:
[ 1987.330424]
[ 1987.332826] ? show_regs+0x6e
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.7.9-1 (forky) | linux 6.7.9-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= c2f156bf168fb42cd6ecd0a8e2204dbe542b8516 < 5e3022ea42e490a36ec6f2cfa6fc603deb0bace4 | 5e3022ea42e490a36ec6f2cfa6fc603deb0bace4 |
| linux | linux | >= c2f156bf168fb42cd6ecd0a8e2204dbe542b8516 < bb71e040323175e18c233a9afef32ba14fa64eb7 | bb71e040323175e18c233a9afef32ba14fa64eb7 |
| linux | linux | >= c2f156bf168fb42cd6ecd0a8e2204dbe542b8516 < d3ea125df37dc37972d581b74a5d3785c3f283ab | d3ea125df37dc37972d581b74a5d3785c3f283ab |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.7.9-1 | 6.7.9-1 |
| linux | linux_kernel | >= 0 < 6.7.9-1 | 6.7.9-1 |
| linux | linux_kernel | >= 6.4 < 6.6.21 | 6.6.21 |
| linux | linux_kernel | >= 6.7 < 6.7.9 | 6.7.9 |
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_debian5.5LOW
vendor_redhat5.5MEDIUM
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GHSA
GHSA-frw5-678v-439g: In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Ensure safe user copy of completion record
If CONFIG_HARDENED_U
ghsa_unreviewed·2024-04-04
CVE-2024-26746 [MEDIUM] GHSA-frw5-678v-439g: In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Ensure safe user copy of completion record
If CONFIG_HARDENED_U
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Ensure safe user copy of completion record
If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from
event log cache to user triggers a kernel bug.
[ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)!
[ 1987.170845] ------------[ cut here ]------------
[ 1987.176086] kernel BUG at mm/usercopy.c:102!
[ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5
[ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023
[ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd]
[ 1987.212338] RIP: 0010:
OSV
CVE-2024-26746: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USE
osv·2024-04-04·CVSS 5.5
CVE-2024-26746 [MEDIUM] CVE-2024-26746: In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USE
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from event log cache to user triggers a kernel bug. [ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)! [ 1987.170845] ------------[ cut here ]------------ [ 1987.176086] kernel BUG at mm/usercopy.c:102! [ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5 [ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023 [ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd] [ 1987.212338] RIP: 0010:use
Red Hat
kernel: dmaengine: idxd: Ensure safe user copy of completion record
vendor_redhat·2024-04-04·CVSS 5.5
CVE-2024-26746 [MEDIUM] CWE-99 kernel: dmaengine: idxd: Ensure safe user copy of completion record
kernel: dmaengine: idxd: Ensure safe user copy of completion record
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Ensure safe user copy of completion record
If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from
event log cache to user triggers a kernel bug.
[ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)!
[ 1987.170845] ------------[ cut here ]------------
[ 1987.176086] kernel BUG at mm/usercopy.c:102!
[ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5
[ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023
[ 1987.206405] Wor
Debian
CVE-2024-26746: linux - In the Linux kernel, the following vulnerability has been resolved: dmaengine: ...
vendor_debian·2024·CVSS 5.5
CVE-2024-26746 [MEDIUM] CVE-2024-26746: linux - In the Linux kernel, the following vulnerability has been resolved: dmaengine: ...
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Ensure safe user copy of completion record If CONFIG_HARDENED_USERCOPY is enabled, copying completion record from event log cache to user triggers a kernel bug. [ 1987.159822] usercopy: Kernel memory exposure attempt detected from SLUB object 'dsa0' (offset 74, size 31)! [ 1987.170845] ------------[ cut here ]------------ [ 1987.176086] kernel BUG at mm/usercopy.c:102! [ 1987.180946] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI [ 1987.186866] CPU: 17 PID: 528 Comm: kworker/17:1 Not tainted 6.8.0-rc2+ #5 [ 1987.194537] Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023 [ 1987.206405] Workqueue: wq0.0 idxd_evl_fault_work [idxd] [ 1987.212338] RIP: 0010:use
No detection rules found.
No public exploits indexed.
https://git.kernel.org/stable/c/5e3022ea42e490a36ec6f2cfa6fc603deb0bace4https://git.kernel.org/stable/c/bb71e040323175e18c233a9afef32ba14fa64eb7https://git.kernel.org/stable/c/d3ea125df37dc37972d581b74a5d3785c3f283abhttps://git.kernel.org/stable/c/5e3022ea42e490a36ec6f2cfa6fc603deb0bace4https://git.kernel.org/stable/c/bb71e040323175e18c233a9afef32ba14fa64eb7https://git.kernel.org/stable/c/d3ea125df37dc37972d581b74a5d3785c3f283ab
2024-04-04
Published