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CVE-2024-36965— remoteproc: mediatek: Make sure IPI buffer fits in L2TCM

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于remoteproc mediatek中存在安全问题，可能导致内核崩溃。

CVSS 7.8 · High EPSS 0.22% · P12

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 3efa0ea743b77d1611501f7d8b4f320d032d73ae< 00548ac6b14428719c970ef90adae2b3b48c0cdf affected
3efa0ea743b77d1611501f7d8b4f320d032d73ae< 1d9e2de24533daca36cbf09e8d8596bf72b526b2 affected
3efa0ea743b77d1611501f7d8b4f320d032d73ae< 26c6d7dc8c6a9fde9d362ab2eef6390efeff145e affected
3efa0ea743b77d1611501f7d8b4f320d032d73ae< 838b49e211d59fa827ff9df062d4020917cffbdf affected
3efa0ea743b77d1611501f7d8b4f320d032d73ae< 36c79eb4845551e9f6d28c663b38ce0ab03b84a9 affected
3efa0ea743b77d1611501f7d8b4f320d032d73ae< 331f91d86f71d0bb89a44217cc0b2a22810bbd42 affected
5.11 affected
< 5.11 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-36965

Vulnerability Information
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Vulnerability Title
remoteproc: mediatek: Make sure IPI buffer fits in L2TCM
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: remoteproc: mediatek: Make sure IPI buffer fits in L2TCM The IPI buffer location is read from the firmware that we load to the System Companion Processor, and it's not granted that both the SRAM (L2TCM) size that is defined in the devicetree node is large enough for that, and while this is especially true for multi-core SCP, it's still useful to check on single-core variants as well. Failing to perform this check may make this driver perform R/W operations out of the L2TCM boundary, resulting (at best) in a kernel panic. To fix that, check that the IPI buffer fits, otherwise return a failure and refuse to boot the relevant SCP core (or the SCP at all, if this is single core).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于remoteproc mediatek中存在安全问题，可能导致内核崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 3efa0ea743b77d1611501f7d8b4f320d032d73ae ~ 00548ac6b14428719c970ef90adae2b3b48c0cdf -
Linux Linux 5.11 -

II. Public POCs for CVE-2024-36965

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III. Intelligence Information for CVE-2024-36965

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Other References for CVE-2024-36965 (6)

Same Patch Batch · Linux · 2024-06-08 · 6 CVEs total

CVE-2024-36968 7.6 HIGH Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
CVE-2024-36966 erofs: reliably distinguish block based and fscache mode
CVE-2024-36967 KEYS: trusted: Fix memory leak in tpm2_key_encode()
CVE-2024-36969 drm/amd/display: Fix division by zero in setup_dsc_config
CVE-2024-36970 wifi: iwlwifi: Use request_module_nowait

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-36965

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