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CVE-2024-46713— perf/aux: Fix AUX buffer serialization

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，该漏洞源于未能正确处理互斥锁，可能导致数据竞争。

CVSS 7.8 · High EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 45bfb2e50471abbbfd83d40d28c986078b0d24ff< 7882923f1cb88dc1a17f2bf0c81b1fc80d44db82 affected
45bfb2e50471abbbfd83d40d28c986078b0d24ff< 52d13d224fdf1299c8b642807fa1ea14d693f5ff affected
45bfb2e50471abbbfd83d40d28c986078b0d24ff< 9dc7ad2b67772cfb94ceb3b0c9c4023c2463215d affected
45bfb2e50471abbbfd83d40d28c986078b0d24ff< c4b69bee3f4ef76809288fe6827bc14d4ae788ef affected
45bfb2e50471abbbfd83d40d28c986078b0d24ff< b9b6882e243b653d379abbeaa64a500182aba370 affected
45bfb2e50471abbbfd83d40d28c986078b0d24ff< 2ab9d830262c132ab5db2f571003d80850d56b2a affected
4.1 affected
< 4.1 unaffected
… +6 more rows
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I. Basic Information for CVE-2024-46713

Vulnerability Information
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Vulnerability Title
perf/aux: Fix AUX buffer serialization
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix AUX buffer serialization Ole reported that event->mmap_mutex is strictly insufficient to serialize the AUX buffer, add a per RB mutex to fully serialize it. Note that in the lock order comment the perf_event::mmap_mutex order was already wrong, that is, it nesting under mmap_lock is not new with this patch.
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，该漏洞源于未能正确处理互斥锁，可能导致数据竞争。
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 45bfb2e50471abbbfd83d40d28c986078b0d24ff ~ 7882923f1cb88dc1a17f2bf0c81b1fc80d44db82 -
Linux Linux 4.1 -

II. Public POCs for CVE-2024-46713

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III. Intelligence Information for CVE-2024-46713

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Patches & Fixes for CVE-2024-46713 (1)

Same Patch Batch · Linux · 2024-09-13 · 40 CVEs total

CVE-2024-46695 9.8 CRITICAL selinux,smack: don't bypass permissions check in inode_setsecctx hook
CVE-2024-46696 9.8 CRITICAL nfsd: fix potential UAF in nfsd4_cb_getattr_release
CVE-2024-46697 9.8 CRITICAL nfsd: ensure that nfsd4_fattr_args.context is zeroed out
CVE-2024-46690 9.8 CRITICAL nfsd: fix nfsd4_deleg_getattr_conflict in presence of third party lease
CVE-2024-46705 7.8 HIGH drm/xe: reset mmio mappings with devm
CVE-2024-46687 7.8 HIGH btrfs: fix a use-after-free when hitting errors inside btrfs_submit_chunk()
CVE-2024-46683 7.8 HIGH drm/xe: prevent UAF around preempt fence
CVE-2024-46709 7.8 HIGH drm/vmwgfx: Fix prime with external buffers
CVE-2024-46680 7.8 HIGH Bluetooth: btnxpuart: Fix random crash seen while removing driver
CVE-2024-46678 7.8 HIGH bonding: change ipsec_lock from spin lock to mutex
CVE-2024-46710 7.8 HIGH drm/vmwgfx: Prevent unmapping active read buffers
CVE-2024-46674 7.8 HIGH usb: dwc3: st: fix probed platform device ref count on probe error path
CVE-2024-46673 7.8 HIGH scsi: aacraid: Fix double-free on probe failure
CVE-2024-46707 KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
CVE-2024-46706 tty: serial: fsl_lpuart: mark last busy before uart_add_one_port
CVE-2024-46712 drm/vmwgfx: Disable coherent dumb buffers without 3d
CVE-2024-46704 workqueue: Fix spruious data race in __flush_work()
CVE-2024-46708 pinctrl: qcom: x1e80100: Fix special pin offsets
CVE-2024-46703 Revert "serial: 8250_omap: Set the console genpd always on if no console suspend"
CVE-2024-46702 thunderbolt: Mark XDomain as unplugged when router is removed

Showing top 20 of 40 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-46713

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