5.5

CVE-2022-50251

mmc: vub300: fix return value check of mmc_add_host()

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

mmc: vub300: fix return value check of mmc_add_host()

mmc_add_host() may return error, if we ignore its return value, the memory
that allocated in mmc_alloc_host() will be leaked and it will lead a kernel
crash because of deleting not added device in the remove path.

So fix this by checking the return value and goto error path which will call
mmc_free_host(), besides, the timer added before mmc_add_host() needs be del.

And this patch fixes another missing call mmc_free_host() if usb_control_msg()
fails.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.0 < 4.9.337
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.303
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.270
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.229
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.163
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.86
Linux ≫ Linux Kernel Version >= 5.16 < 6.0.16
Linux ≫ Linux Kernel Version >= 6.1 < 6.1.2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.044
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/41ed46bdbd2878cd6567abe0974a445f8b1b8ec8
Patch
https://git.kernel.org/stable/c/25f05d762ca5e1c685002a53dd44f68e78ca3feb
Patch
https://git.kernel.org/stable/c/a46e681151bbdacdf6b89ee8c4e5bad0555142bb
Patch
https://git.kernel.org/stable/c/3b29f8769d32016b2d89183db4d80c7a71b7e35e
Patch
https://git.kernel.org/stable/c/3049a3b927a40d89d4582ff1033cd7953be773c7
Patch
https://git.kernel.org/stable/c/afc898019e7bf18c5eb7a0ac19852fcb1b341b3c
Patch
https://git.kernel.org/stable/c/c9e85979b59cb86f0a15defa8199d740e2b36b90
Patch
https://git.kernel.org/stable/c/2044b2ea77945f372ef161d1bbf814e471767ff2
Patch
https://git.kernel.org/stable/c/0613ad2401f88bdeae5594c30afe318e93b14676
Patch