Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-56763— tracing: Prevent bad count for tracing_cpumask_write

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，该漏洞源于在tracing模块中，当提供一个较大的count值时，会触发bitmap_parse_user中的警告，并且没有检查count值是否为零，可能导致不正确的操作或系统不稳定。

AI Predicted 4.3 Difficulty: Trivial EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 9e01c1b74c9531e301c900edaa92a99fcb7738f2< 2558d753df0628d4187d8e1fd989339460f4f364 affected
9e01c1b74c9531e301c900edaa92a99fcb7738f2< f60172b447317cb6c5e74b5601a151866269baf6 affected
9e01c1b74c9531e301c900edaa92a99fcb7738f2< 3d15f4c2449558ffe83b4dba30614ef1cd6937c3 affected
9e01c1b74c9531e301c900edaa92a99fcb7738f2< 03041e474a6a8f1bfd4b96b164bb3165c48fa1a3 affected
9e01c1b74c9531e301c900edaa92a99fcb7738f2< 1cca920af19df5dd91254e5ff35e68e911683706 affected
9e01c1b74c9531e301c900edaa92a99fcb7738f2< 98feccbf32cfdde8c722bc4587aaa60ee5ac33f0 affected
2.6.29 affected
< 2.6.29 unaffected
… +6 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-56763

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
tracing: Prevent bad count for tracing_cpumask_write
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tracing: Prevent bad count for tracing_cpumask_write If a large count is provided, it will trigger a warning in bitmap_parse_user. Also check zero for it.
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，该漏洞源于在tracing模块中，当提供一个较大的count值时，会触发bitmap_parse_user中的警告，并且没有检查count值是否为零，可能导致不正确的操作或系统不稳定。
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 9e01c1b74c9531e301c900edaa92a99fcb7738f2 ~ 2558d753df0628d4187d8e1fd989339460f4f364 -
Linux Linux 2.6.29 -

II. Public POCs for CVE-2024-56763

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-56763

请登录查看更多情报信息。

Patches & Fixes for CVE-2024-56763 (6)

Same Patch Batch · Linux · 2025-01-06 · 12 CVEs total

CVE-2024-56757 7.8 HIGH Bluetooth: btusb: mediatek: add intf release flow when usb disconnect
CVE-2024-56759 7.8 HIGH btrfs: fix use-after-free when COWing tree bock and tracing is enabled
CVE-2024-56764 7.8 HIGH ublk: detach gendisk from ublk device if add_disk() fails
CVE-2024-56765 7.8 HIGH powerpc/pseries/vas: Add close() callback in vas_vm_ops struct
CVE-2024-56758 btrfs: check folio mapping after unlock in relocate_one_folio()
CVE-2024-56760 PCI/MSI: Handle lack of irqdomain gracefully
CVE-2024-56761 x86/fred: Clear WFE in missing-ENDBRANCH #CPs
CVE-2024-56767 dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset
CVE-2024-56766 mtd: rawnand: fix double free in atmel_pmecc_create_user()
CVE-2024-56768 bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP
CVE-2024-56769 media: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56763

No comments yet

Leave a comment