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CVE-2022-48686

Linux Kernel use-after-free

9.8 CRITICALEPSS 0.70%
  1. Published3 May 2024

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux Kernel≥ 5.0 < 5.4.213 · ≥ 5.11 < 5.15.68 · ≥ 5.16 < 5.19.9 · ≥ 5.5 < 5.10.143

Remediation

Fixed in
Linux Kernel≥ 5.4.213

References

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Frequently asked

Is CVE-2022-48686 being actively exploited?

CVE-2022-48686 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.70%.

How severe is CVE-2022-48686?

CVE-2022-48686 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.70% probability of exploitation.

Which products are affected by CVE-2022-48686?

Affected products include Linux Kernel.

How do I fix CVE-2022-48686?

Upgrade affected software to a fixed version, for example Linux Kernel 5.4.213 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.