High severity · published Jun 16, 2023
CVE-2023-35788
An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.
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)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
4.19 before 4.19.285; 4.20 before 5.4.246; 5.5 before 5.10.183; 5.11 before 5.15.116; 5.16 before 6.1.33; 6.2 before 6.3.7 · source: NVD
DL
Debian Linux · Debian
12.0; 10.0; 11.0 · source: NVD
HF
H300s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410c Firmware · Netapp
All versions, or not specified · source: NVD
HF
H410s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H500s Firmware · Netapp
All versions, or not specified · source: NVD
HF
H700s Firmware · Netapp
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 20.04; 22.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-35788
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-35788
Third Party Advisory
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
Exploit
http://www.openwall.com/lists/oss-security/2023/06/17/1
Mailing List
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7
Patch
https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c
Mailing List
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html
Mailing List
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
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