CVE-2025-40187
net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: net/sctp: fix a null dereference in sctp_disposition sctp_sf_do_5_1D_ce() If new_asoc->peer.adaptation_ind=0 and sctp_ulpevent_make_authkey=0 and sctp_ulpevent_make_authkey() returns 0, then the variable ai_ev remains zero and the zero will be dereferenced in the sctp_ulpevent_free() function.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Nov 12, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < 1014b83778c8677f1d7a57c26dc728baa801ac62 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < 7f702f85df0266ed7b5bab81ba50394c92f3c928 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < dbceedc0213e75bf3e9f9f9e2f66b10699d004fe 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < 025419f4e216a3ae0d0cec622262e98e8078c447 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < c21f45cfa4a9526b34d76b397c9ef080668b6e73 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < d0e8f1445c19b1786759ba72a38267e1449bab7e 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < badbd79313e6591616c1b78e29a9b71efed7f035 30f6ebf65bc46161c5aaff1db2e6e7c76aa4a06b < 2f3119686ef50319490ccaec81a575973da98815
Linux / Linux
4.17
References
git.kernel.org: https://git.kernel.org/stable/c/1014b83778c8677f1d7a57c26dc728baa801ac62 git.kernel.org: https://git.kernel.org/stable/c/7f702f85df0266ed7b5bab81ba50394c92f3c928 git.kernel.org: https://git.kernel.org/stable/c/dbceedc0213e75bf3e9f9f9e2f66b10699d004fe git.kernel.org: https://git.kernel.org/stable/c/025419f4e216a3ae0d0cec622262e98e8078c447 git.kernel.org: https://git.kernel.org/stable/c/c21f45cfa4a9526b34d76b397c9ef080668b6e73 git.kernel.org: https://git.kernel.org/stable/c/d0e8f1445c19b1786759ba72a38267e1449bab7e git.kernel.org: https://git.kernel.org/stable/c/badbd79313e6591616c1b78e29a9b71efed7f035 git.kernel.org: https://git.kernel.org/stable/c/2f3119686ef50319490ccaec81a575973da98815