CVE-2023-52567 (GCVE-0-2023-52567)

Vulnerability from cvelistv5 – Published: 2024-03-02 21:59 – Updated: 2025-05-04 12:49
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: serial: 8250_port: Check IRQ data before use In case the leaf driver wants to use IRQ polling (irq = 0) and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can be NULL. In such a case we need to skip the wake event as we came to this path from the timer interrupt and quite likely system is already awake. Without this fix we have got an Oops: serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A ... BUG: kernel NULL pointer dereference, address: 0000000000000010 RIP: 0010:serial8250_handle_irq+0x7c/0x240 Call Trace: ? serial8250_handle_irq+0x7c/0x240 ? __pfx_serial8250_timeout+0x10/0x10
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: edfe57aedff4ecf3606533aabf8ecf7676c3c5d9 , < ee5732caaffba3a37e753fdb89b4958db9a61847 (git)
Affected: 0bd49a043c7984c93c2a0af41222fb71c3986a4e , < c334650150c29234b0923476f51573ae1b2f252a (git)
Affected: 572d48361aa0a6e6f16c1470e5407de183493d0c , < bf3c728e3692cc6d998874f0f27d433117348742 (git)
Affected: d5d628fea5f6181809a9d61b04de6ade53277684 , < e14afa4450cb7e4cf93e993a765801203d41d014 (git)
Affected: 424cf29296354d7b9c6c038aaa7bb71782100851 , < 2b837f13a818f96304736453ac53b66a70aaa4f2 (git)
Affected: 727e92fe13e81c6088a88d83e466b2b1b553c4e3 , < e14f68a48fd445a083ac0750fafcb064df5f18f7 (git)
Affected: 0ba9e3a13c6adfa99e32b2576d20820ab10ad48a , < 3345cc5f02f1fb4c4dcb114706f2210d879ab933 (git)
Affected: 0ba9e3a13c6adfa99e32b2576d20820ab10ad48a , < cce7fc8b29961b64fadb1ce398dc5ff32a79643b (git)
Affected: d7c6aa39eb041e2a6a53106104200d11e2acc87f (git)
Affected: f5fd2fd999b364801e9790c6f69f3fe3f40ed60f (git)
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    Linux Linux Affected: 6.4
Unaffected: 0 , < 6.4 (semver)
Unaffected: 4.14.327 , ≤ 4.14.* (semver)
Unaffected: 4.19.296 , ≤ 4.19.* (semver)
Unaffected: 5.4.258 , ≤ 5.4.* (semver)
Unaffected: 5.10.198 , ≤ 5.10.* (semver)
Unaffected: 5.15.134 , ≤ 5.15.* (semver)
Unaffected: 6.1.56 , ≤ 6.1.* (semver)
Unaffected: 6.5.6 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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In such a case we need to skip the wake\\nevent as we came to this path from the timer interrupt and quite\\nlikely system is already awake.\\n\\nWithout this fix we have got an Oops:\\n\\n    serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\\n    ...\\n    BUG: kernel NULL pointer dereference, address: 0000000000000010\\n    RIP: 0010:serial8250_handle_irq+0x7c/0x240\\n    Call Trace:\\n     ? serial8250_handle_irq+0x7c/0x240\\n     ? __pfx_serial8250_timeout+0x10/0x10\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: 8250_port: verifique los datos IRQ antes de usarlos. En caso de que el controlador hoja quiera usar el sondeo IRQ (irq = 0) y el registro IIR muestre que ocurri\u00f3 una interrupci\u00f3n en el hardware 8250, el IRQ los datos pueden ser NULL. En tal caso, debemos omitir el evento de activaci\u00f3n, ya que llegamos a este camino desde la interrupci\u00f3n del temporizador y es muy probable que el sistema ya est\u00e9 despierto. Sin esta soluci\u00f3n, tenemos un Ups: serial8250: ttyS0 en E/S 0x3f8 (irq = 0, base_baud = 115200) es un 16550A... ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000010 RIP: 0010:serial8250_handle_irq+0x7c/ 0x240 Seguimiento de llamadas: ? serial8250_handle_irq+0x7c/0x240? 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  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.