Critical severity · published May 22, 2024
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…
9.1
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 4.4.292; 4.5 before 4.9.290; 4.10 before 4.14.255; 4.15 before 4.19.217; 4.20 before 5.4.159; 5.5 before 5.10.79; +2 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-47478
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-47478
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
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