CVE-2024-26877 Affecting kernel-azure package, versions <5.14.21-150500.33.51.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-SLES155-KERNELAZURE-6844126
- published15 May 2024
- disclosed14 May 2024
Introduced: 14 May 2024
CVE-2024-26877 (opens in a new tab)How to fix?
Upgrade SLES:15.5 kernel-azure to version 5.14.21-150500.33.51.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-azure package and not the kernel-azure package as distributed by SLES.
See How to fix? for SLES:15.5 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
crypto: xilinx - call finalize with bh disabled
When calling crypto_finalize_request, BH should be disabled to avoid triggering the following calltrace:
------------[ cut here ]------------
WARNING: CPU: 2 PID: 74 at crypto/crypto_engine.c:58 crypto_finalize_request+0xa0/0x118
Modules linked in: cryptodev(O)
CPU: 2 PID: 74 Comm: firmware:zynqmp Tainted: G O 6.8.0-rc1-yocto-standard #323
Hardware name: ZynqMP ZCU102 Rev1.0 (DT)
pstate: 40000005 (nZcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : crypto_finalize_request+0xa0/0x118
lr : crypto_finalize_request+0x104/0x118
sp : ffffffc085353ce0
x29: ffffffc085353ce0 x28: 0000000000000000 x27: ffffff8808ea8688
x26: ffffffc081715038 x25: 0000000000000000 x24: ffffff880100db00
x23: ffffff880100da80 x22: 0000000000000000 x21: 0000000000000000
x20: ffffff8805b14000 x19: ffffff880100da80 x18: 0000000000010450
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000003 x13: 0000000000000000 x12: ffffff880100dad0
x11: 0000000000000000 x10: ffffffc0832dcd08 x9 : ffffffc0812416d8
x8 : 00000000000001f4 x7 : ffffffc0830d2830 x6 : 0000000000000001
x5 : ffffffc082091000 x4 : ffffffc082091658 x3 : 0000000000000000
x2 : ffffffc7f9653000 x1 : 0000000000000000 x0 : ffffff8802d20000
Call trace:
crypto_finalize_request+0xa0/0x118
crypto_finalize_aead_request+0x18/0x30
zynqmp_handle_aes_req+0xcc/0x388
crypto_pump_work+0x168/0x2d8
kthread_worker_fn+0xfc/0x3a0
kthread+0x118/0x138
ret_from_fork+0x10/0x20
irq event stamp: 40
hardirqs last enabled at (39): [<ffffffc0812416f8>] _raw_spin_unlock_irqrestore+0x70/0xb0
hardirqs last disabled at (40): [<ffffffc08122d208>] el1_dbg+0x28/0x90
softirqs last enabled at (36): [<ffffffc080017dec>] kernel_neon_begin+0x8c/0xf0
softirqs last disabled at (34): [<ffffffc080017dc0>] kernel_neon_begin+0x60/0xf0
---[ end trace 0000000000000000 ]---
References
- https://www.suse.com/security/cve/CVE-2024-26877.html
- https://bugzilla.suse.com/1223140
- https://git.kernel.org/stable/c/03e6d4e948432a61b35783323b6ab2be071d2619
- https://git.kernel.org/stable/c/23bc89fdce71124cd2126fc919c7076e7cb489cf
- https://git.kernel.org/stable/c/8a01335aedc50a66d04dd39203c89f4bc8042596
- https://git.kernel.org/stable/c/9db89b1fb85557892e6681724b367287de5f9f20
- https://git.kernel.org/stable/c/a71f66bd5f7b9b35a8aaa49e29565eca66299399
- https://git.kernel.org/stable/c/a853450bf4c752e664abab0b2fad395b7ad7701c
- https://git.kernel.org/stable/c/dbf291d8ffffb70f48286176a15c6c54f0bb0743
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html