// For flags

CVE-2015-1421

kernel: net: slab corruption from use after free on INIT collisions

Severity Score

10.0
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before 3.18.8 allows remote attackers to cause a denial of service (slab corruption and panic) or possibly have unspecified other impact by triggering an INIT collision that leads to improper handling of shared-key data.

Vulnerabilidad de uso después de liberación en la función sctp_assoc_update en net/sctp/associola.c en el Kernel de Linux anterior a 3.18.8 permite a atacantes remotos causar una denegación de servicio (corrupción de bloque y pánico) o la posibilidad de tener otro impacto no especificado mediante la provocación de una colisión INIT que lleva al manejo inadecuado de datos de shared-key.

A use-after-free flaw was found in the way the Linux kernel's SCTP implementation handled authentication key reference counting during INIT collisions. A remote attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2015-01-29 CVE Reserved
  • 2015-02-26 CVE Published
  • 2024-08-06 CVE Updated
  • 2024-09-09 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
References (22)
URL Date SRC
URL Date SRC
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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>= 2.6.24 < 3.2.67
Search vendor "Linux" for product "Linux Kernel" and version " >= 2.6.24 < 3.2.67"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.3 < 3.4.107
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.3 < 3.4.107"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
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>= 3.5 < 3.10.70
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.5 < 3.10.70"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.11 < 3.12.38
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.11 < 3.12.38"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.13 < 3.14.34
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.13 < 3.14.34"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.15 < 3.16.35
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.15 < 3.16.35"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.17 < 3.18.8
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.17 < 3.18.8"
-
Affected
Canonical
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Ubuntu Linux
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12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
-
Affected
Canonical
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Ubuntu Linux
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14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
esm
Affected
Canonical
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Ubuntu Linux
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14.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.10"
-
Affected
Debian
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Debian Linux
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7.0
Search vendor "Debian" for product "Debian Linux" and version "7.0"
-
Affected
Debian
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Debian Linux
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8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected