5.5

CVE-2022-50138

RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr()

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

RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr()

__qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with
init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr"
is released while "mr->info.pbl_table" is not released, which will lead
to a memory leak.

We should release the "mr->info.pbl_table" with qedr_free_pbl() when error
occurs to fix the memory leak.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.9 < 5.10.137
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.61
Linux ≫ Linux Kernel Version >= 5.16 < 5.18.18
Linux ≫ Linux Kernel Version >= 5.19 < 5.19.2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.21% 0.109
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 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
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/79ce50dddaf28b5c57911ecc80a2be17a0b17f83
Patch
https://git.kernel.org/stable/c/7e647a8d5fc0a2c8e0f36f585a6388286a25bb15
Patch
https://git.kernel.org/stable/c/07ba048df306dc93fc4d2ef670b9e24644a2069f
Patch
https://git.kernel.org/stable/c/b4c9f7db9f0148423557539af0fdf513338efe08
Patch
https://git.kernel.org/stable/c/b3236a64ddd125a455ef5b5316c1b9051b732974
Patch