CVE-2025-29364: spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL s

Q: How do I fix CVE-2025-29364?

spim: upgrade to newer than 9.1.24. Exact commands for each OS are on this page.

Q: Is CVE-2025-29364 being exploited?

CVE-2025-29364 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-29364 affect?

CVE-2025-29364 affects spim. Severity is medium (CVSS 6.5). spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By con

Q: How urgent is CVE-2025-29364?

Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action

This week

MEDIUM 6.5REMOTEUPGRADE

CVE-2025-29364 is a medium-severity flaw (CVSS 6.5) affecting spim. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By configuring the starting and ending addresses for memory read/write to point to distinct memory segments within the virtual machine, it is possible to circumvent these checks.

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-08-28
Last modified	2026-09-26

Publisher (CNA): MITRE · Vendor: spimsimulator

Last updated 2026-09-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-28 16:15 UTCPublished CVE record published
2026-09-26 00:10 UTCUpdated Record last modified

spimsimulator spim UPGRADE

Affected: <= 9.1.24

Fixed in: newer than 9.1.24

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 9.1.24 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade spim

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade spim

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2025-29364?

spim: upgrade to newer than 9.1.24. Exact commands for each OS are on this page.

Is CVE-2025-29364 being exploited?

CVE-2025-29364 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-2025-29364 affect?

CVE-2025-29364 affects spim. Severity is medium (CVSS 6.5). spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in the READ_SYSCALL and WRITE_SYSCALL system calls. The application verifies the legitimacy of the starting and ending addresses for memory read/write operations. By con

How urgent is CVE-2025-29364?

Priority 41/100. Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-29365 CRITICAL 9.8 UPGRADE spimsimulator spim v9.1.24 and before is vulnerable to Buffer Overflow in READ_STRING_SYSCALL.

References

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