CVE-2023-1631: A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418

Routine

MEDIUM 5.5DOWNGRADE

CVE-2023-1631 is a medium-severity flaw (CVSS 5.5) affecting jiangmin antivirus. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418. This affects the function 0x222010 in the library kvcore.sys of the component IOCTL Handler. The manipulation leads to null pointer dereference. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The identifier VDB-224013 was assigned to this vulnerability.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 71%)
CISA exploited list	No
Weakness	CWE-476
Published	2023-03-25
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: jiangmin

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

Am I affected?

Timeline

2023-03-25 12:15 UTCPublished CVE record published
2026-06-17 05:28 UTCUpdated Record last modified

jiangmin jiangmin antivirus DOWNGRADE

Affected: 16.2.2022.418

Fixed in: no fixed release known

Safe to downgrade to: a release before 16.2.2022.418

1. Check installed version

apt-cache policy jiangmin-antivirus || rpm -q jiangmin-antivirus || jiangmin-antivirus --version

2. No fixed release: DOWNGRADE to a release before 16.2.2022.418 (Debian / Ubuntu)

apt-cache madison jiangmin-antivirus sudo apt install jiangmin-antivirus=<VERSION_BEFORE_16.2.2022.418> sudo apt-mark hold jiangmin-antivirus

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

dnf --showduplicates list jiangmin-antivirus sudo dnf downgrade jiangmin-antivirus-<VERSION_BEFORE_16.2.2022.418> sudo dnf versionlock add jiangmin-antivirus

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-2023-1631?

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

Is CVE-2023-1631 being exploited?

CVE-2023-1631 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-2023-1631 affect?

CVE-2023-1631 affects jiangmin antivirus. Severity is medium (CVSS 5.5). A vulnerability, which was classified as problematic, was found in JiangMin Antivirus 16.2.2022.418. This affects the function 0x222010 in the library kvcore.sys of the component IOCTL Handler. The manipulation leads to null pointer derefer

How urgent is CVE-2023-1631?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2023-1630 MEDIUM 5.5 DOWNGRADE A vulnerability, which was classified as problematic, has been found in JiangMin Antivirus 16.2.2022.418
CVE-2023-1629 MEDIUM 5.3 DOWNGRADE A vulnerability classified as critical was found in JiangMin Antivirus 16.2.2022.418
CVE-2023-1628 MEDIUM 5.5 DOWNGRADE A vulnerability classified as problematic has been found in Jianming Antivirus 16.2.2022.418
CVE-2023-1627 MEDIUM 5.5 DOWNGRADE A vulnerability was found in Jianming Antivirus 16.2.2022.418
CVE-2023-1626 MEDIUM 5.3 DOWNGRADE A vulnerability was found in Jianming Antivirus 16.2.2022.418

References

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