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CVE-2024-43871— devres: Fix memory leakage caused by driver API devm_free_percpu()

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 devres 组件在使用devm_free_percpu()时存在内存泄漏问题。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P14

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux ff86aae3b4112b85d2231c23bccbc49589df1c06< 700e8abd65b10792b2f179ce4e858f2ca2880f85 affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< b044588a16a978cd891cb3d665dd7ae06850d5bf affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< ef56dcdca8f2a53abc3a83d388b8336447533d85 affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< 3047f99caec240a88ccd06197af2868da1af6a96 affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< 3dcd0673e47664bc6c719ad47dadac6d55d5950d affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< b67552d7c61f52f1271031adfa7834545ae99701 affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< 95065edb8ebb27771d5f1e898eef6ab43dc6c87c affected
ff86aae3b4112b85d2231c23bccbc49589df1c06< bd50a974097bb82d52a458bd3ee39fb723129a0c affected
… +10 more rows
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I. Basic Information for CVE-2024-43871

Vulnerability Information
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Vulnerability Title
devres: Fix memory leakage caused by driver API devm_free_percpu()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed by using devres_release() instead of devres_destroy() within devm_free_percpu().
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 devres 组件在使用devm_free_percpu()时存在内存泄漏问题。
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 ff86aae3b4112b85d2231c23bccbc49589df1c06 ~ 700e8abd65b10792b2f179ce4e858f2ca2880f85 -
Linux Linux 4.10 -

II. Public POCs for CVE-2024-43871

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III. Intelligence Information for CVE-2024-43871

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Other References for CVE-2024-43871 (8)

Same Patch Batch · Linux · 2024-08-21 · 68 CVEs total

CVE-2023-52910 8.8 HIGH iommu/iova: Fix alloc iova overflows issue
CVE-2024-43881 8.8 HIGH wifi: ath12k: change DMA direction while mapping reinjected packets
CVE-2022-48871 8.8 HIGH tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer
CVE-2024-43878 8.1 HIGH xfrm: Fix input error path memory access
CVE-2022-48883 7.8 HIGH net/mlx5e: IPoIB, Block PKEY interfaces with less rx queues than parent
CVE-2024-43882 7.8 HIGH exec: Fix ToCToU between perm check and set-uid/gid usage
CVE-2024-43880 7.8 HIGH mlxsw: spectrum_acl_erp: Fix object nesting warning
CVE-2022-48892 7.8 HIGH sched/core: Fix use-after-free bug in dup_user_cpus_ptr()
CVE-2024-43877 7.8 HIGH media: pci: ivtv: Add check for DMA map result
CVE-2023-52913 7.8 HIGH drm/i915: Fix potential context UAFs
CVE-2022-48899 7.8 HIGH drm/virtio: Fix GEM handle creation UAF
CVE-2022-48872 7.8 HIGH misc: fastrpc: Fix use-after-free race condition for maps
CVE-2022-48873 7.8 HIGH misc: fastrpc: Don't remove map on creater_process and device_release
CVE-2022-48874 7.8 HIGH misc: fastrpc: Fix use-after-free and race in fastrpc_map_find
CVE-2023-52903 7.8 HIGH io_uring: lock overflowing for IOPOLL
CVE-2022-48878 7.8 HIGH Bluetooth: hci_qca: Fix driver shutdown on closed serdev
CVE-2022-48887 7.8 HIGH drm/vmwgfx: Remove rcu locks from user resources
CVE-2023-52907 7.8 HIGH nfc: pn533: Wait for out_urb's completion in pn533_usb_send_frame()
CVE-2024-43872 7.5 HIGH RDMA/hns: Fix soft lockup under heavy CEQE load
CVE-2023-52909 7.5 HIGH nfsd: fix handling of cached open files in nfsd4_open codepath

Showing top 20 of 68 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-43871

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