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CVE-2024-36946— phonet: fix rtm_phonet_notify() skb allocation

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，该漏洞源于内存分配不当。

AI Predicted 3.3 Difficulty: Hard EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< ec1f71c05caeba0f814df77e0f511d8b4618623a affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< dc6beac059f0331de97155a89d84058d4a9e49c7 affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< f085e02f0a32f6dfcfabc6535c9c4a1707cef86b affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< 4ff334cade9dae50e4be387f71e94fae634aa9b4 affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< 728a83160f98ee6b60df0d890141b9b7240182fe affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< ee9e39a6cb3ca2a3d35b4ae25547ee3526a44d00 affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< 9a77226440008cf04ba68faf641a2d50f4998137 affected
f062f41d06575744b9eaf725eef8a5d3b5f5b7ca< d8cac8568618dcb8a51af3db1103e8d4cc4aeea7 affected
… +10 more rows
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I. Basic Information for CVE-2024-36946

Vulnerability Information
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Vulnerability Title
phonet: fix rtm_phonet_notify() skb allocation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: phonet: fix rtm_phonet_notify() skb allocation fill_route() stores three components in the skb: - struct rtmsg - RTA_DST (u8) - RTA_OIF (u32) Therefore, rtm_phonet_notify() should use NLMSG_ALIGN(sizeof(struct rtmsg)) + nla_total_size(1) + nla_total_size(4)
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，该漏洞源于内存分配不当。
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 f062f41d06575744b9eaf725eef8a5d3b5f5b7ca ~ ec1f71c05caeba0f814df77e0f511d8b4618623a -
Linux Linux 2.6.33 -

II. Public POCs for CVE-2024-36946

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III. Intelligence Information for CVE-2024-36946

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Mailing List Discussions for CVE-2024-36946 (2)

Other References for CVE-2024-36946 (8)

Same Patch Batch · Linux · 2024-05-30 · 93 CVEs total

CVE-2024-36958 9.8 CRITICAL NFSD: Fix nfsd4_encode_fattr4() crasher
CVE-2024-36886 9.8 CRITICAL tipc: fix UAF in error path
CVE-2024-36911 9.8 CRITICAL hv_netvsc: Don't free decrypted memory
CVE-2024-36912 9.6 CRITICAL Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
CVE-2024-36913 9.3 CRITICAL Drivers: hv: vmbus: Leak pages if set_memory_encrypted() fails
CVE-2024-36909 9.3 CRITICAL Drivers: hv: vmbus: Don't free ring buffers that couldn't be re-encrypted
CVE-2024-36922 8.8 HIGH wifi: iwlwifi: read txq->read_ptr under lock
CVE-2024-36921 8.8 HIGH wifi: iwlwifi: mvm: guard against invalid STA ID on removal
CVE-2024-36910 8.4 HIGH uio_hv_generic: Don't free decrypted memory
CVE-2024-36032 8.1 HIGH Bluetooth: qca: fix info leak when fetching fw build id
CVE-2024-36933 7.8 HIGH nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment().
CVE-2024-36904 7.8 HIGH tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().
CVE-2024-36914 7.8 HIGH drm/amd/display: Skip on writeback when it's not applicable
CVE-2024-36918 7.8 HIGH bpf: Check bloom filter map value size
CVE-2024-36018 7.8 HIGH nouveau/uvmm: fix addr/range calcs for remap operations
CVE-2024-36894 7.8 HIGH usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete
CVE-2024-36890 7.8 HIGH mm/slab: make __free(kfree) accept error pointers
CVE-2024-36940 7.8 HIGH pinctrl: core: delete incorrect free in pinctrl_enable()
CVE-2024-36928 7.8 HIGH s390/qeth: Fix kernel panic after setting hsuid
CVE-2024-36884 7.8 HIGH iommu/arm-smmu: Use the correct type in nvidia_smmu_context_fault()

Showing top 20 of 93 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-36946

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