CVE-2021-47478
Linux Kernel Isofs Out-of-Bounds Access Vulnerability
Description
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.
INFO
Published Date :
May 22, 2024, 9:15 a.m.
Last Modified :
April 2, 2025, 3:09 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-47478.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-47478 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-47478 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Apr. 02, 2025
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.255 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.290 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.292 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.217 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.159 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.14.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.79 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.15 up to (excluding) 5.15.2 Added Reference Type CVE: https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f Added Reference https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 Added Reference https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 Added Reference https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e Added Reference https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f Added Reference https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 Added Reference https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 Added Reference https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d Added Reference https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 07, 2024
Action Type Old Value New Value Added CWE CISA-ADP CWE-125 Added CVSS V3.1 CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 28, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 22, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-47478 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-47478
weaknesses.