5.5

CVE-2024-40992

RDMA/rxe: Fix responder length checking for UD request packets

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Fix responder length checking for UD request packets

According to the IBA specification:
If a UD request packet is detected with an invalid length, the request
shall be an invalid request and it shall be silently dropped by
the responder. The responder then waits for a new request packet.

commit 689c5421bfe0 ("RDMA/rxe: Fix incorrect responder length checking")
defers responder length check for UD QPs in function `copy_data`.
But it introduces a regression issue for UD QPs.

When the packet size is too large to fit in the receive buffer.
`copy_data` will return error code -EINVAL. Then `send_data_in`
will return RESPST_ERR_MALFORMED_WQE. UD QP will transfer into
ERROR state.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.36
Linux ≫ Linux Kernel Version >= 6.7 < 6.9.7
Linux ≫ Linux Kernel Version 6.10 Update rc1
Linux ≫ Linux Kernel Version 6.10 Update rc2
Linux ≫ Linux Kernel Version 6.10 Update rc3
Linux ≫ Linux Kernel Version 6.10 Update rc4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.61% 0.456
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
416baaa9-dc9f-4396-8d5f-8c081fb06d67 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/163868ec1f6c610d16da9e458fe1dd7d5de97341
Patch
https://git.kernel.org/stable/c/943c94f41dfe36536dc9aaa12c9efdf548ceb996
Patch
https://git.kernel.org/stable/c/f67ac0061c7614c1548963d3ef1ee1606efd8636
Patch