UBUNTU-CVE-2024-46711
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix ID 0 endp usage after multiple re-creations 'local_addr_used' and 'add_addr_accepted' are decremented for addresses not related to the initial subflow (ID0), because the source and destination addresses of the initial subflows are known from the beginning: they don't count as "additional local address being used" or "ADD_ADDR being accepted". It is then required not to increment them when the entrypoint used by the initial subflow is removed and re-added during a connection. Without this modification, this entrypoint cannot be removed and re-added more than once.
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
29 explicit affected versions
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26 explicit affected versions
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37 explicit affected versions
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7 explicit affected versions
14 explicit affected versions
16 explicit affected versions
12 explicit affected versions
12 explicit affected versions
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12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
18 explicit affected versions
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12 explicit affected versions
13 explicit affected versions
7 explicit affected versions
17 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
10 explicit affected versions
9 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
7 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
9 explicit affected versions
6 explicit affected versions
12 explicit affected versions
50 explicit affected versions
14 explicit affected versions
11 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: fix ID 0 endp usage after multiple re-creations 'local_addr_used' and 'add_addr_accepted' are decremented for addresses not related to the initial subflow (ID0), because the source and destination addresses of the initial subflows are known from the beginning: they don't count as "additional local address being used" or "ADD_ADDR being accepted". It is then required not to increment them when the entrypoint used by the initial subflow is removed and re-added during a connection. Without this modification, this entrypoint cannot be removed and re-added more than once.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/9366922adc6a71378ca01f898c41be295309f044
- https://git.kernel.org/stable/c/119806ae4e46cf239db8e6ad92bc2fd3daae86dc
- https://git.kernel.org/stable/c/53e2173172d26c0617b29dd83618b71664bed1fb
- https://git.kernel.org/stable/c/9366922adc6a71378ca01f898c41be295309f044
- https://git.kernel.org/stable/c/c9c744666f7308a4daba520191e29d395260bcfe
- https://ubuntu.com/security/CVE-2024-46711
- https://ubuntu.com/security/notices/USN-7154-1
- https://ubuntu.com/security/notices/USN-7154-2
- https://ubuntu.com/security/notices/USN-7155-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7196-1
- https://www.cve.org/CVERecord?id=CVE-2024-46711