WID-SEC-W-2023-0507

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

view advisory published 2019-06-17

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.

01

describes (3)

Related CVEs.

IDseverity exploitable
CVE-2019-11479UShigh7.5—
Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger…
CVE-2019-11478UShigh7.5—
Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgme…
CVE-2019-11477UShigh7.5Exploit
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).…
02

references

External citations — patches, advisories, analysis.

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