CVE-2021-47478

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-47478
In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f Patch
https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 Patch
https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 Patch
https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e Patch
https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f Patch
https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 Patch
https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 Patch
https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d Patch
https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 Patch
https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f Patch
https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 Patch
https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 Patch
https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e Patch
https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f Patch
https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 Patch
https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 Patch
https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d Patch
https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

02 Apr 2025, 15:09

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
References () https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f - () https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f - Patch
References () https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 - () https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 - Patch
References () https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 - () https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 - Patch
References () https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e - () https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e - Patch
References () https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f - () https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f - Patch
References () https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 - () https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 - Patch
References () https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 - () https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 - Patch
References () https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d - () https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d - Patch
References () https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 - () https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 - Patch
First Time Linux linux Kernel
Linux

21 Nov 2024, 06:36

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f - () https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f -
References () https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 - () https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 -
References () https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 - () https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 -
References () https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e - () https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e -
References () https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f - () https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f -
References () https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 - () https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 -
References () https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 - () https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 -
References () https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d - () https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d -
References () https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 - () https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 -

07 Nov 2024, 16:35

Type Values Removed Values Added
CWE CWE-125
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: isofs: corrige el acceso fuera de los límites para una imagen isofs corrupta. Cuando la imagen isofs está adecuadamente dañada, isofs_read_inode() puede leer datos más allá del final del búfer. Cordura: verifique la longitud de la entrada del directorio antes de usarla.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

22 May 2024, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-22 09:15

Updated : 2025-04-02 15:09

NVD link : CVE-2021-47478

Mitre link : CVE-2021-47478

CVE.ORG link : CVE-2021-47478

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-125

Out-of-bounds Read