7.8

CVE-2024-42285

RDMA/iwcm: Fix a use-after-free related to destroying CM IDs

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

RDMA/iwcm: Fix a use-after-free related to destroying CM IDs

iw_conn_req_handler() associates a new struct rdma_id_private (conn_id) with
an existing struct iw_cm_id (cm_id) as follows:

        conn_id->cm_id.iw = cm_id;
        cm_id->context = conn_id;
        cm_id->cm_handler = cma_iw_handler;

rdma_destroy_id() frees both the cm_id and the struct rdma_id_private. Make
sure that cm_work_handler() does not trigger a use-after-free by only
freeing of the struct rdma_id_private after all pending work has finished.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.8 < 4.19.320
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.282
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.224
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.165
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.103
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.44
Linux ≫ Linux Kernel Version >= 6.7 < 6.10.3
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.152
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://git.kernel.org/stable/c/557d035fe88d78dd51664f4dc0e1896c04c97cf6
Patch
https://git.kernel.org/stable/c/7f25f296fc9bd0435be14e89bf657cd615a23574
Patch
https://git.kernel.org/stable/c/94ee7ff99b87435ec63211f632918dc7f44dac79
Patch
https://git.kernel.org/stable/c/aee2424246f9f1dadc33faa78990c1e2eb7826e4
Patch
https://git.kernel.org/stable/c/d91d253c87fd1efece521ff2612078a35af673c6
Patch
https://git.kernel.org/stable/c/dc8074b8901caabb97c2d353abd6b4e7fa5a59a5
Patch
https://git.kernel.org/stable/c/ee39384ee787e86e9db4efb843818ef0ea9cb8ae
Patch
https://git.kernel.org/stable/c/ff5bbbdee08287d75d72e65b72a2b76d9637892a
Patch
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html