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CVE-2024-44985

Linux Kernel use-after-free

9.8 CRITICALEPSS 0.88%
  1. Published4 Sept 2024

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UAF in ip6_xmit() If skb_expand_head() returns NULL, skb has been freed and the associated dst/idev could also have been freed. We must use rcu_read_lock() to prevent a possible UAF.

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≥ 5.15 < 5.15.166 · ≥ 5.16 < 6.1.107 · ≥ 6.2 < 6.6.48 · ≥ 6.7 < 6.10.7

Remediation

Fixed in
Linux Kernel≥ 5.15.166

References

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Frequently asked

Is CVE-2024-44985 being actively exploited?

CVE-2024-44985 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.88%.

How severe is CVE-2024-44985?

CVE-2024-44985 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.88% probability of exploitation.

Which products are affected by CVE-2024-44985?

Affected products include Linux Kernel.

How do I fix CVE-2024-44985?

Upgrade affected software to a fixed version, for example Linux Kernel 5.15.166 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-44985 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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