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CVE
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CVE-2022-0500Date: (C)2022-03-29   (M)2024-06-10


A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel���s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 7.2
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
https://bugzilla.redhat.com/show_bug.cgi?id=2044578
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=20b2aff4bc15bda809f994761d5719827d66c0b4
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=216e3cd2f28dbbf1fe86848e0e29e6693b9f0a20
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34d3a78c681e8e7844b43d1a2f4671a04249c821
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c4807322660d4290ac9062c034aed6b87243861
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=48946bd6a5d695c50b34546864b79c1f910a33c1
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c25b2ae136039ffa820c26138ed4a5e5f3ab3841
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cf9f2f8d62eca810afbd1ee6cc0800202b000e57
https://security.netapp.com/advisory/ntap-20220519-0001/

CWE    1
CWE-787
OVAL    12
oval:org.secpod.oval:def:707634
oval:org.secpod.oval:def:94894
oval:org.secpod.oval:def:707667
oval:org.secpod.oval:def:94896
...

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