5.5

CVE-2022-48824

scsi: myrs: Fix crash in error case

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

scsi: myrs: Fix crash in error case

In myrs_detect(), cs->disable_intr is NULL when privdata->hw_init() fails
with non-zero. In this case, myrs_cleanup(cs) will call a NULL ptr and
crash the kernel.

[    1.105606] myrs 0000:00:03.0: Unknown Initialization Error 5A
[    1.105872] myrs 0000:00:03.0: Failed to initialize Controller
[    1.106082] BUG: kernel NULL pointer dereference, address: 0000000000000000
[    1.110774] Call Trace:
[    1.110950]  myrs_cleanup+0xe4/0x150 [myrs]
[    1.111135]  myrs_probe.cold+0x91/0x56a [myrs]
[    1.111302]  ? DAC960_GEM_intr_handler+0x1f0/0x1f0 [myrs]
[    1.111500]  local_pci_probe+0x48/0x90
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.4.180
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.101
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.24
Linux ≫ Linux Kernel Version >= 5.16 < 5.16.10
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.27% 0.182
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-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/0e42c4a3d732517edc3766dd45a14e60d29dd929
Patch
https://git.kernel.org/stable/c/1d6cd26605b4d662063a83c15c776b5299a1cb23
Patch
https://git.kernel.org/stable/c/4db09593af0b0b4d7d4805ebb3273df51d7cc30d
Patch
https://git.kernel.org/stable/c/5c5ceea00c8c9df150708e66cb9f2891192c1162
Patch
https://git.kernel.org/stable/c/6207f35c213f6cb2fc3f13b5e77f08c710e1de19
Patch