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CVE-2017-7477

HIGH

7.0

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.

CVE Details

CVSS v3.1 Score7.0

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityHIGH

Privileges RequiredLOW

User InteractionNONE

Published4/25/2017

Last Modified4/20/2025

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernel

Weaknesses (CWE)

CWE-119

References

http://www.securityfocus.com/bid/98014(secalert@redhat.com)

http://www.securitytracker.com/id/1038500(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2017:1615(secalert@redhat.com)

https://access.redhat.com/errata/RHSA-2017:1616(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=1445207(secalert@redhat.com)

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4d6fa57b4dab0d77f4d8e9d9c73d1e63f6fe8fee(secalert@redhat.com)

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5294b83086cc1c35b4efeca03644cf9d12282e5b(secalert@redhat.com)

http://www.securityfocus.com/bid/98014(af854a3a-2127-422b-91ae-364da2661108)

http://www.securitytracker.com/id/1038500(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2017:1615(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/errata/RHSA-2017:1616(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=1445207(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=4d6fa57b4dab0d77f4d8e9d9c73d1e63f6fe8fee(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5294b83086cc1c35b4efeca03644cf9d12282e5b(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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