5.5

CVE-2025-21648

In the Linux kernel, the following vulnerability has been resolved:

netfilter: conntrack: clamp maximum hashtable size to INT_MAX

Use INT_MAX as maximum size for the conntrack hashtable. Otherwise, it
is possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when
resizing hashtable because __GFP_NOWARN is unset. See:

  0708a0afe291 ("mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls")

Note: hashtable resize is only possible from init_netns.
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Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.7.1 < 5.10.234
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.177
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.125
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.72
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.10
Linux ≫ Linux Kernel Version4.7 Update-
Linux ≫ Linux Kernel Version6.13 Updaterc1
Linux ≫ Linux Kernel Version6.13 Updaterc2
Linux ≫ Linux Kernel Version6.13 Updaterc3
Linux ≫ Linux Kernel Version6.13 Updaterc4
Linux ≫ Linux Kernel Version6.13 Updaterc5
Linux ≫ Linux Kernel Version6.13 Updaterc6
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.2
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H