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CVE-2023-52462
Detail
Description
In the Linux kernel, the following vulnerability has been resolved:
bpf: fix check for attempt to corrupt spilled pointer
When register is spilled onto a stack as a 1/2/4-byte register, we set
slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it,
depending on actual spill size). So to check if some stack slot has
spilled register we need to consult slot_type[7], not slot_type[0].
To avoid the need to remember and double-check this in the future, just
use is_spilled_reg() helper.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.
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OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.10.209
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11.0 up to (excluding) 5.15.148
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16.0 up to (excluding) 6.1.75
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2.0 up to (excluding) 6.6.14
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7.0
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Added
CWE
NIST NVD-CWE-noinfo
Changed
Reference Type
https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef No Types Assigned
In the Linux kernel, the following vulnerability has been resolved:
bpf: fix check for attempt to corrupt spilled pointer
When register is spilled onto a stack as a 1/2/4-byte register, we set
slot_type[BPF_REG_SIZE - 1] (plus potentially few more below it,
depending on actual spill size). So to check if some stack slot has
spilled register we need to consult slot_type[7], not slot_type[0].
To avoid the need to remember and double-check this in the future, just
use is_spilled_reg() helper.
Added
Reference
Linux https://git.kernel.org/stable/c/2757f17972d87773b3677777f5682510f13c66ef [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/40617d45ea05535105e202a8a819e388a2b1f036 [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/67e6707f07354ed1acb4e65552e97c60cf9d69cf [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/8dc15b0670594543c356567a1a45b0182ec63174 [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/ab125ed3ec1c10ccc36bc98c7a4256ad114a3dae [No types assigned]
Added
Reference
Linux https://git.kernel.org/stable/c/fc3e3c50a0a4cac1463967c110686189e4a59104 [No types assigned]
Quick Info
CVE Dictionary Entry: CVE-2023-52462 NVD
Published Date: 02/23/2024 NVD
Last Modified: 04/17/2024
Source: kernel.org
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