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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.

🗓️ 24 Jun 2023 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Out-of-bounds write in fl_set_geneve_opt may allow DoS or privilege escalation.

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Vulners
Node
microsoftcbl2_kernel_5.15.116.1-2Range<5.15.116.1-2
OR
microsoftcm1_kernel_5.10.185.1-1Range<5.10.185.1-1

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17 Jul 2023 07:00Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.8
EPSS0.00009
geneve option flawflower classifier buglinux kernel vulnerabilitybounds writedenial of serviceprivilege escalation
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