PoC Index

CVE-2019-11477

HIGH 7.8EPSS 98.7%

Jonathan Looney discovered that the TCP_SKB_CB(skb)->tcp_gso_segs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit 3b4929f65b0d8249f19a50245cd88ed1a2f78cff.

CVSS v3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS
98.75% chance of exploitation in the next 30 days, 100th percentile
Published
2019-06-18
Updated
2024-09-17

Proof-of-concept exploits (1)

References

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