5.5

CVE-2023-0469

Exploit
A use-after-free flaw was found in io_uring/filetable.c in io_install_fixed_file in the io_uring subcomponent in the Linux Kernel during call cleanup. This flaw may lead to a denial of service.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1
Linux ≫ Linux Kernel Version 6.1 Update -
Linux ≫ Linux Kernel Version 6.1 Update rc1
Linux ≫ Linux Kernel Version 6.1 Update rc2
Linux ≫ Linux Kernel Version 6.1 Update rc3
Linux ≫ Linux Kernel Version 6.1 Update rc4
Linux ≫ Linux Kernel Version 6.1 Update rc5
Linux ≫ Linux Kernel Version 6.1 Update rc6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.32% 0.236
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 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
CISA-ADP 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
CWE-191 Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://bugzilla.redhat.com/show_bug.cgi?id=2163723
Patch
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