// For flags

CVE-2023-52646

aio: fix mremap after fork null-deref

Severity Score

"-"
*CVSS v-

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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

aio: fix mremap after fork null-deref

Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced
a null-deref if mremap is called on an old aio mapping after fork as
mm->ioctx_table will be set to NULL.

[jmoyer@redhat.com: fix 80 column issue]

En el kernel de Linux, se resolvió la siguiente vulnerabilidad: aio: corrige mremap después de la bifurcación null-deref Commit e4a0d3e720e7 ("aio: Make it posible reasignar el anillo aio") introdujo un null-deref si se llama a mremap en un mapeo aio antiguo después de la bifurcación como mm->ioctx_table se establecerá en NULL. [jmoyer@redhat.com: soluciona el problema de 80 columnas]

*Credits: N/A
CVSS Scores
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Attack Complexity
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Privileges Required
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User Interaction
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Scope
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Confidentiality
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Integrity
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* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-03-06 CVE Reserved
  • 2024-04-26 CVE Published
  • 2024-04-27 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.19 < 4.14.306
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 4.14.306"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.19 < 4.19.273
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 4.19.273"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.19 < 5.4.232
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 5.4.232"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.19 < 5.10.169
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 5.10.169"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.19 < 5.15.95
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 5.15.95"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.19 < 6.1.13
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 6.1.13"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.19 < 6.2
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.19 < 6.2"
en
Affected