Vulnerability Details CVE-2023-53320
In the Linux kernel, the following vulnerability has been resolved:
scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()
The function mpi3mr_get_all_tgt_info() has four issues:
1) It calculates valid entry length in alltgt_info assuming the header part
of the struct mpi3mr_device_map_info would equal to sizeof(u32). The
correct size is sizeof(u64).
2) When it calculates the valid entry length kern_entrylen, it excludes one
entry by subtracting 1 from num_devices.
3) It copies num_device by calling memcpy(). Substitution is enough.
4) It does not specify the calculated length to sg_copy_from_buffer().
Instead, it specifies the payload length which is larger than the
alltgt_info size. It causes "BUG: KASAN: slab-out-of-bounds".
Fix the issues by using the correct header size, removing the subtraction
from num_devices, replacing the memcpy() with substitution and specifying
the correct length to sg_copy_from_buffer().
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.8%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2023-53320
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cpe:2.3:o:linux:linux_kernel:5.19
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cpe:2.3:o:linux:linux_kernel:5.19.1
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cpe:2.3:o:linux:linux_kernel:5.19.10
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cpe:2.3:o:linux:linux_kernel:5.19.11
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cpe:2.3:o:linux:linux_kernel:5.19.12
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cpe:2.3:o:linux:linux_kernel:5.19.13
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cpe:2.3:o:linux:linux_kernel:5.19.14
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cpe:2.3:o:linux:linux_kernel:5.19.15
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cpe:2.3:o:linux:linux_kernel:5.19.16
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cpe:2.3:o:linux:linux_kernel:5.19.17
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cpe:2.3:o:linux:linux_kernel:5.19.2
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cpe:2.3:o:linux:linux_kernel:5.19.3
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cpe:2.3:o:linux:linux_kernel:5.19.4
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cpe:2.3:o:linux:linux_kernel:5.19.5
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cpe:2.3:o:linux:linux_kernel:5.19.6
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cpe:2.3:o:linux:linux_kernel:5.19.7
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cpe:2.3:o:linux:linux_kernel:5.19.8
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cpe:2.3:o:linux:linux_kernel:5.19.9
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cpe:2.3:o:linux:linux_kernel:6.0
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cpe:2.3:o:linux:linux_kernel:6.0.1
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cpe:2.3:o:linux:linux_kernel:6.0.10
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cpe:2.3:o:linux:linux_kernel:6.0.11
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cpe:2.3:o:linux:linux_kernel:6.0.12
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cpe:2.3:o:linux:linux_kernel:6.0.13
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cpe:2.3:o:linux:linux_kernel:6.0.14
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cpe:2.3:o:linux:linux_kernel:6.0.15
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cpe:2.3:o:linux:linux_kernel:6.0.16
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cpe:2.3:o:linux:linux_kernel:6.0.17
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cpe:2.3:o:linux:linux_kernel:6.0.18
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cpe:2.3:o:linux:linux_kernel:6.0.19
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cpe:2.3:o:linux:linux_kernel:6.0.2
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cpe:2.3:o:linux:linux_kernel:6.0.3
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cpe:2.3:o:linux:linux_kernel:6.0.4
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cpe:2.3:o:linux:linux_kernel:6.0.5
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cpe:2.3:o:linux:linux_kernel:6.0.6
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cpe:2.3:o:linux:linux_kernel:6.0.7
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cpe:2.3:o:linux:linux_kernel:6.0.8
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cpe:2.3:o:linux:linux_kernel:6.0.9
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cpe:2.3:o:linux:linux_kernel:6.1
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cpe:2.3:o:linux:linux_kernel:6.1.0
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cpe:2.3:o:linux:linux_kernel:6.1.1
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cpe:2.3:o:linux:linux_kernel:6.1.10
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cpe:2.3:o:linux:linux_kernel:6.1.11
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cpe:2.3:o:linux:linux_kernel:6.1.12
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cpe:2.3:o:linux:linux_kernel:6.1.13
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cpe:2.3:o:linux:linux_kernel:6.1.14
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cpe:2.3:o:linux:linux_kernel:6.1.15
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cpe:2.3:o:linux:linux_kernel:6.1.2
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cpe:2.3:o:linux:linux_kernel:6.1.3
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cpe:2.3:o:linux:linux_kernel:6.1.4
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cpe:2.3:o:linux:linux_kernel:6.1.5
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cpe:2.3:o:linux:linux_kernel:6.1.6
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cpe:2.3:o:linux:linux_kernel:6.1.7
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cpe:2.3:o:linux:linux_kernel:6.1.8
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cpe:2.3:o:linux:linux_kernel:6.1.9
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cpe:2.3:o:linux:linux_kernel:6.2
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cpe:2.3:o:linux:linux_kernel:6.2.0
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cpe:2.3:o:linux:linux_kernel:6.2.1
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cpe:2.3:o:linux:linux_kernel:6.2.2