High severity · published Apr 3, 2024
CVE-2024-26772
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()
Places the logic for checking if the group's block bitmap is corrupt under
the protection of the group lock to avoid allocating blocks from the group
with a corrupted block bitmap.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 4.19.308; 4.20 before 5.4.270; 5.5 before 5.10.211; 5.11 before 5.15.150; 5.16 before 6.1.80; 6.2 before 6.6.19; +3 more · source: NVD
LI
Linux · Linux
163a203ddb36c36d4a1c942aececda0cc8d06aa7 before 5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43; 163a203ddb36c36d4a1c942aececda0cc8d06aa7 before 6b92b1bc16d691c95b152c6dbf027ad64315668d; 163a203ddb36c36d4a1c942aececda0cc8d06aa7 before ffeb72a80a82aba59a6774b0611f792e0ed3b0b7; 163a203ddb36c36d4a1c942aececda0cc8d06aa7 before 8de8305a25bfda607fc13475ebe84b978c96d7ff; 163a203ddb36c36d4a1c942aececda0cc8d06aa7 before d639102f4cbd4cb65d1225dba3b9265596aab586; 163a203ddb36c36d4a1c942aececda0cc8d06aa7 before d3bbe77a76bc52e9d4d0a120f1509be36e25c916; +3 more · source: vendor
DL
Debian Linux · Debian
10.0 · source: NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-26772
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-26772
Patch
https://git.kernel.org/stable/c/21dbe20589c7f48e9c5d336ce6402bcebfa6d76a
Patch
https://git.kernel.org/stable/c/5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43
Patch
https://git.kernel.org/stable/c/6b92b1bc16d691c95b152c6dbf027ad64315668d
Patch
https://git.kernel.org/stable/c/832698373a25950942c04a512daa652c18a9b513
Patch
https://git.kernel.org/stable/c/8de8305a25bfda607fc13475ebe84b978c96d7ff
Patch
https://git.kernel.org/stable/c/d3bbe77a76bc52e9d4d0a120f1509be36e25c916
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