CVE-2025-37846None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: arm64: mops: Do not dereference src reg for a set operation The source register is not used for SET* and reading it can result in a UBSAN out-of-bounds array access er…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 5.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
In the Linux kernel, the following vulnerability has been resolved:
arm64: mops: Do not dereference src reg for a set operation
The source register is not used for SET* and reading it can result in a UBSAN out-of-bounds array access error, specifically when the MOPS exception is taken from a SET* sequence with XZR (reg 31) as the source. Architecturally this is the only case where a src/dst/size field in the ESR can be reported as 31.
Prior to 2de451a329cf662b the code in do_el0_mops() was benign as the use of pt_regs_read_reg() prevented the out-of-bounds access.
Linux >= 2de451a329cf662beeba71f63c7f83ee24ca6642 < eec737e17e5567e08148550a7f1d94d495b9fb17Linux >= 2de451a329cf662beeba71f63c7f83ee24ca6642 < 43267d934eacff6c70e15545d804ebbcab8a0bf5Linux >= 2de451a329cf662beeba71f63c7f83ee24ca6642 < 5f6022a74147675124b781fdc056b291850e7786Linux >= 2de451a329cf662beeba71f63c7f83ee24ca6642 < a13bfa4fe0d6949cea14718df2d1fe84c38cd113Linux 6.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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