5.5

CVE-2023-52923

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

netfilter: nf_tables: adapt set backend to use GC transaction API

Use the GC transaction API to replace the old and buggy gc API and the
busy mark approach.

No set elements are removed from async garbage collection anymore,
instead the _DEAD bit is set on so the set element is not visible from
lookup path anymore. Async GC enqueues transaction work that might be
aborted and retried later.

rbtree and pipapo set backends does not set on the _DEAD bit from the
sync GC path since this runs in control plane path where mutex is held.
In this case, set elements are deactivated, removed and then released
via RCU callback, sync GC never fails.
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Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.1 < 4.19.316
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.262
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.198
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.134
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.56
Linux ≫ Linux Kernel Version >= 6.2 < 6.4.11
Linux ≫ Linux Kernel Version6.5 Updaterc1
Linux ≫ Linux Kernel Version6.5 Updaterc2
Linux ≫ Linux Kernel Version6.5 Updaterc3
Linux ≫ Linux Kernel Version6.5 Updaterc4
Linux ≫ Linux Kernel Version6.5 Updaterc5
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.06% 0.173
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