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CVE-2024-36975— KEYS: trusted: Do not use WARN when encode fails

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，该漏洞源于编码失败时使用了WARN，从而导致崩溃。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.21% · P11

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux f2219745250f388edacabe6cca73654131c67d0a< 96f650995c70237b061b497c66755e32908f8972 affected
f2219745250f388edacabe6cca73654131c67d0a< 681935009fec3fc22af97ee312d4a24ccf3cf087 affected
f2219745250f388edacabe6cca73654131c67d0a< 1c652e1e10676f942149052d9329b8bf2703529a affected
f2219745250f388edacabe6cca73654131c67d0a< d32c6e09f7c4bec3ebc4941323f0aa6366bc1487 affected
f2219745250f388edacabe6cca73654131c67d0a< ff91cc12faf798f573dab2abc976c1d5b1862fea affected
f2219745250f388edacabe6cca73654131c67d0a< 050bf3c793a07f96bd1e2fd62e1447f731ed733b affected
5.13 affected
< 5.13 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-36975

Vulnerability Information
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Vulnerability Title
KEYS: trusted: Do not use WARN when encode fails
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Do not use WARN when encode fails When asn1_encode_sequence() fails, WARN is not the correct solution. 1. asn1_encode_sequence() is not an internal function (located in lib/asn1_encode.c). 2. Location is known, which makes the stack trace useless. 3. Results a crash if panic_on_warn is set. It is also noteworthy that the use of WARN is undocumented, and it should be avoided unless there is a carefully considered rationale to use it. Replace WARN with pr_err, and print the return value instead, which is only useful piece of information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于编码失败时使用了WARN，从而导致崩溃。
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 f2219745250f388edacabe6cca73654131c67d0a ~ 96f650995c70237b061b497c66755e32908f8972 -
Linux Linux 5.13 -

II. Public POCs for CVE-2024-36975

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III. Intelligence Information for CVE-2024-36975

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Other References for CVE-2024-36975 (6)

Same Patch Batch · Linux · 2024-06-18 · 4 CVEs total

CVE-2024-36977 7.8 HIGH usb: dwc3: Wait unconditionally after issuing EndXfer command
CVE-2024-36974 7.8 HIGH net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
CVE-2024-36976 Revert "media: v4l2-ctrls: show all owned controls in log_status"

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-36975

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