CVE-2024-26877
What it is
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 ]---
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.7% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.7% · EPSS, next 30 days
- Record status
- Modified
Affected
- Linux Kernel < 5.10.214
- Linux Kernel < 5.15.153
- Linux Kernel < 6.1.83
- Linux Kernel < 6.6.23
- Linux Kernel < 6.7.11
- Linux Kernel < 6.8.2
- Debian Linux 10.0
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2024-26877.md and follow it. Check whether this project is affected by CVE-2024-26877. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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://git.kernel.org/stable/c/03e6d4e948432a61b35783323b6ab2be071d2619
- https://git.kernel.org/stable/c/23bc89fdce71124cd2126fc919c7076e7cb489cf
- https://git.kernel.org/stable/c/8a01335aedc50a66d04dd39203c89f4bc8042596
References
- 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://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
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html