CVE-2023-53782
Unknown
Description
In the Linux kernel, the following vulnerability has been resolved: dccp: Fix out of bounds access in DCCP error handler There was a previous attempt to fix an out-of-bounds access in the DCCP error handlers, but that fix assumed that the error handlers only want to access the first 8 bytes of the DCCP header. Actually, they also look at the DCCP sequence number, which is stored beyond 8 bytes, so an explicit pskb_may_pull() is required.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedDec 9, 2025
First seenDec 9, 2025
How to fix
Update
- Linux Linux3533e10272555c422a7d51ebc0ce8c483429f7f2, 177212bf6dc1ff2d13d0409cddc5c9e81feec63d, 7a7dd70cb954d3efa706a429687ded88c02496fa, 4b8a938e329ae4eb54b73b0c87b5170607b038a8, 6ecf09699eb1554299aa1e7fd13e9e80f656c2f9, f8a7f10a1dccf9868ff09342a73dce27501b86df, d8171411a661253e6271fa10b65b46daf1b6471c, ec620c34f5fa5d055f9f6136a387755db6157712, 977ad86c2a1bcaf58f01ab98df5cc145083c489c, 3.3, 3.11, 3.13, 3.17, 4.5, 4.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 3533e10272555c422a7d51ebc0ce8c483429f7f2, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 177212bf6dc1ff2d13d0409cddc5c9e81feec63d, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 7a7dd70cb954d3efa706a429687ded88c02496fa, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 4b8a938e329ae4eb54b73b0c87b5170607b038a8, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 6ecf09699eb1554299aa1e7fd13e9e80f656c2f9, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < f8a7f10a1dccf9868ff09342a73dce27501b86df, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < d8171411a661253e6271fa10b65b46daf1b6471c, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < ec620c34f5fa5d055f9f6136a387755db6157712, 6706a97fec963d6cb3f7fc2978ec1427b4651214 ≤ v < 977ad86c2a1bcaf58f01ab98df5cc145083c489c, 96106a207ae972d8f9e4815e84c159f29e4bbee7, 261def571d19d3b4e2228643c5c0ac89f5e10d15, dbf1719c65fb0368a94d15767c669e47e295a073, 46b1ffd4738a3ee04b2e8f5a4b8cfc39e9c722a2, a2df29ed840f90e459a3f8ff029b216be3912731, ba93cf7d2118774c0b2dcfccc8ae999427815caa, 4ca7e66fcce02459fa6961979f9fe30ae1098cf0, bd380617d5d161ea2bbe7a8073b3ca7bca0381e5, bfe7d1dee859cad6802f8e21a0a863f408114612, 968953df833c61fce5adcc0612efeaced24e5719, 99131760a8851e6e5b2c9b24d0a68a3068923a08, 84d9c612bb7a9e44c6bf286bedfbe72a6d2d71d4, 3.2.87 ≤ v < 3.3, 3.10.105 ≤ v < 3.11, 3.12.68 ≤ v < 3.13, 3.16.42 ≤ v < 3.17, 4.4.34 ≤ v < 4.5, 4.8.10 ≤ v < 4.9, 4.9 | 3533e10272555c422a7d51ebc0ce8c483429f7f2, 177212bf6dc1ff2d13d0409cddc5c9e81feec63d, 7a7dd70cb954d3efa706a429687ded88c02496fa, 4b8a938e329ae4eb54b73b0c87b5170607b038a8, 6ecf09699eb1554299aa1e7fd13e9e80f656c2f9, f8a7f10a1dccf9868ff09342a73dce27501b86df, d8171411a661253e6271fa10b65b46daf1b6471c, ec620c34f5fa5d055f9f6136a387755db6157712, 977ad86c2a1bcaf58f01ab98df5cc145083c489c, 3.3, 3.11, 3.13, 3.17, 4.5, 4.9 |
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