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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 MSS were enforced. 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 commits 967c05aee439e6e5d7d805e ...

Jonathan Looney discovered that the Linux kernel could be coerced into segmenting responses into multiple TCP segments. A remote attacker could construct an ongoing sequence of requests to cause a denial of service.

Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. 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 f070ef2ac66716357066b6 ...

The advisory is missing the security advisory description. For more information please visit the reference link

Kernel-headers includes the C header files that specify the interface between the Linux kernel and userspace libraries and programs. The header files define structures and constants that are needed for building most standard programs and are also needed for rebuilding the glibc package.

Kernel-headers includes the C header files that specify the interface between the Linux kernel and userspace libraries and programs. The header files define structures and constants that are needed for building most standard programs and are also needed for rebuilding the glibc package.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * An integer overflow flaw was found in the way the Linux kernel"s networking subsystem processed TCP Selective Acknowledgment segments. While processing SACK segments, the Linux kernel"s socket buffer data structure becomes fragmented. Each fragment is about TCP maximum segment size bytes. To ef ...

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: * An integer overflow flaw was found in the way the Linux kernel"s networking subsystem processed TCP Selective Acknowledgment segments. While processing SACK segments, the Linux kernel"s socket buffer data structure becomes fragmented. Each fragment is about TCP maximum segment size bytes. To ef ...


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