High severity · published Jun 24, 2024
CVE-2024-34027
f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
In the Linux kernel, the following vulnerability has been resolved:
f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
to avoid racing with checkpoint, otherwise, filesystem metadata including
blkaddr in dnode, inode fields and .total_valid_block_count may be
corrupted after SPO case.
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)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.8 before 5.10.219; 5.11 before 5.15.161; 5.16 before 6.1.93; 6.2 before 6.6.33; 6.7 before 6.9.4 · source: NVD, CISA
LI
Linux · Linux
ef8d563f184e1112651f2cbde383d43e599334e8 before a6e1f7744e9b84f86a629a76024bba8468aa153b; ef8d563f184e1112651f2cbde383d43e599334e8 before b5bac43875aa27ec032dbbb86173baae6dce6182; ef8d563f184e1112651f2cbde383d43e599334e8 before 5d47d63883735718825ca2efc4fca6915469774f; ef8d563f184e1112651f2cbde383d43e599334e8 before 329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b; ef8d563f184e1112651f2cbde383d43e599334e8 before 69136304fd144144a4828c7b7b149d0f80321ba4; ef8d563f184e1112651f2cbde383d43e599334e8 before 0a4ed2d97cb6d044196cc3e726b6699222b41019; +1 more · source: vendor
SS
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · Siemens
before V1.1.1 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-34027
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-34027
Patch
https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019
Patch
https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b
Patch
https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f
Patch
https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4
Patch
https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b
Patch
https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182
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