CVE-2026-72435

HIGHCVSS 7.8/10EPSS 0.21%

Last modified

CVE-2026-72435 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() Sashiko pointed out that kfree_rcu() was called before rcu_assign_pointer() in handling the comment extension. Fix the order so that rcu_assign_pointer() called first.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() Sashiko pointed out that kfree_rcu() was called before rcu_assign_pointer() in handling the comment extension. Fix the order so that rcu_assign_pointer() called first.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.21%

11.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < c9787d7c24ffd83019f379455e1b97fb4f0f75eb; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < 6e98407cb94e035bba98956adc9096a76d8b2a9f; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < 50b70f56f3baaff46599f59b2d93fa2540120776; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < d01b4b471f0fc5c396af62845e972ccf99cee29a; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < fcb565966534909377a16be5f7b065db2e25c8b5; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < 8087bb360a936a6314d22b567e4b861656943eb6; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < 93a775fd67f3ef34949a9523bfa69403ee74efdd; >= b57b2d1fa53fe8563bdfc66a33b844463b9af285, < 3ca9982a8882470aa0ac4e8bb9a552b181d1efcd
LinuxLinux4.2

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-72435?
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix order of kfree_rcu() and rcu_assign_pointer() Sashiko pointed out that kfree_rcu() was called before rcu_assign_pointer() in handling the comment extension. Fix the order so that rcu_assign_pointer() called first.
How severe is CVE-2026-72435?
CVE-2026-72435 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-72435?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST