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Heap-based buffer overflow in drivers/net/macsec.c in the MACsec module in the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly have unspecified other impact by leveraging the use of a MAX_SKB_FRAGS+1 size in conjunction with the NETIF_F_FRAGLIST feature, leading to an error in the skb_to_sgvec function.
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CVE Modified by Red Hat, Inc.5/14/2024 12:45:12 AM
Action
Type
Old Value
New Value
Modified Analysis by NIST6/21/2023 11:56:35 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.10.12
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.6 up to (excluding) 4.9.28
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.10.16
Removed
CVSS V3
NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V3.1
NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed
Reference Type
http://www.securitytracker.com/id/1038500 No Types Assigned
http://www.securitytracker.com/id/1038500 Third Party Advisory, VDB Entry
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2017:1615 No Types Assigned
https://access.redhat.com/errata/RHSA-2017:1615 Third Party Advisory
Changed
Reference Type
https://access.redhat.com/errata/RHSA-2017:1616 No Types Assigned
https://access.redhat.com/errata/RHSA-2017:1616 Third Party Advisory
CVE Modified by Red Hat, Inc.2/12/2023 6:30:11 PM
Action
Type
Old Value
New Value
Removed
CVSS V3
Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
Description
A flaw was found in the way Linux kernel allocates heap memory to build the scattergather list from a fragment list(skb_shinfo(skb)->frag_list) in the socket buffer(skb_buff). The heap overflow occurred if 'MAX_SKB_FRAGS + 1' parameter and 'NETIF_F_FRAGLIST' feature are both used together. A remote user or process could use this flaw to potentially escalate their privilege on a system.
Heap-based buffer overflow in drivers/net/macsec.c in the MACsec module in the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly have unspecified other impact by leveraging the use of a MAX_SKB_FRAGS+1 size in conjunction with the NETIF_F_FRAGLIST feature, leading to an error in the skb_to_sgvec function.
CVE Modified by Red Hat, Inc.2/02/2023 11:18:17 AM
Action
Type
Old Value
New Value
Added
CVSS V3
Red Hat, Inc. AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
Description
Heap-based buffer overflow in drivers/net/macsec.c in the MACsec module in the Linux kernel through 4.10.12 allows attackers to cause a denial of service or possibly have unspecified other impact by leveraging the use of a MAX_SKB_FRAGS+1 size in conjunction with the NETIF_F_FRAGLIST feature, leading to an error in the skb_to_sgvec function.
A flaw was found in the way Linux kernel allocates heap memory to build the scattergather list from a fragment list(skb_shinfo(skb)->frag_list) in the socket buffer(skb_buff). The heap overflow occurred if 'MAX_SKB_FRAGS + 1' parameter and 'NETIF_F_FRAGLIST' feature are both used together. A remote user or process could use this flaw to potentially escalate their privilege on a system.
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