What’s Vulnerable › Vulnerabilities

CVE-2024-27419: netrom: Fix data-races around sysctl_net_busy_read

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-17 · updated 2026-10-15
• Weakness: CWE-362

Description

In the Linux kernel, the following vulnerability has been resolved: netrom: Fix data-races around sysctl_net_busy_read We need to protect the reader reading the sysctl value because the value can be changed concurrently.

Affected products

• Debian Linux: 10.0
• Linux kernel: from 2.6.13 before 4.19.310; from 4.20 before 5.4.272; from 5.5 before 5.10.213; from 5.11 before 5.15.152; from 5.16 before 6.1.82; from 6.2 before 6.6.22 — fixed in 4.19.310, 5.10.213, 5.15.152, 5.4.272, 6.1.82, 6.6.22

How to fix

Upgrade to a fixed version: Linux kernel 4.19.310, 5.10.213, 5.15.152, 5.4.272. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0866afaff19d8460308b022345ed116a12b1d0e1
• https://git.kernel.org/stable/c/16d71319e29d5825ab53f263b59fdd8dc2d60ad4
• https://git.kernel.org/stable/c/34cab94f7473e7b09f5205d4583fb5096cb63b5b
• https://git.kernel.org/stable/c/43464808669ba9d23996f0b6d875450191687caf
• https://git.kernel.org/stable/c/bbf950a6e96a91cf8cf0c71117b94ed3fafc9dd3
• https://git.kernel.org/stable/c/d380ce70058a4ccddc3e5f5c2063165dc07672c6
• https://git.kernel.org/stable/c/d623fd5298d95b65d27ef5a618ebf39541074856
• https://git.kernel.org/stable/c/f9055fa2b2931261d5f89948ee5bc315b6a22d4a
• https://git.kernel.org/stable/c/0866afaff19d8460308b022345ed116a12b1d0e1
• https://git.kernel.org/stable/c/16d71319e29d5825ab53f263b59fdd8dc2d60ad4
• https://git.kernel.org/stable/c/34cab94f7473e7b09f5205d4583fb5096cb63b5b
• https://git.kernel.org/stable/c/43464808669ba9d23996f0b6d875450191687caf

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