CVE-2025-50897: A vulnerability exists in riscv-boom SonicBOOM 1.2 (BOOMv1.2) processor implementation, where valid virtual-to

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-50897 is a medium-severity flaw (CVSS 4.3) affecting boomv. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability exists in riscv-boom SonicBOOM 1.2 (BOOMv1.2) processor implementation, where valid virtual-to-physical address translations configured with write permissions (PTE_W) in SV39 mode may incorrectly trigger a Store/AMO access fault during store instructions (sd). This occurs despite the presence of proper page table entries and valid memory access modes. The fault is reproducible when transitioning into virtual memory and attempting

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Physical
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-284, CWE-434, CWE-693
Published	2025-08-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: boom-core

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-19 15:15 UTCPublished CVE record published
2026-06-17 09:35 UTCUpdated Record last modified

boom-core boomv DOWNGRADE

Affected: 1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2

1. Check installed version

apt-cache policy boomv || rpm -q boomv || boomv --version

2. No fixed release: DOWNGRADE to a release before 1.2 (Debian / Ubuntu)

apt-cache madison boomv sudo apt install boomv=<VERSION_BEFORE_1.2> sudo apt-mark hold boomv

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list boomv sudo dnf downgrade boomv-<VERSION_BEFORE_1.2> sudo dnf versionlock add boomv

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-50897?

boomv: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-50897 being exploited?

CVE-2025-50897 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-50897 affect?

CVE-2025-50897 affects boomv. Severity is medium (CVSS 4.3). A vulnerability exists in riscv-boom SonicBOOM 1.2 (BOOMv1.2) processor implementation, where valid virtual-to-physical address translations configured with write permissions (PTE_W) in SV39 mode may incorrectly trigger a Store/AMO access f

How urgent is CVE-2025-50897?

Priority 25/100. Public exploit reference

References

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