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CVE-2024-36954— tipc: fix a possible memleak in tipc_buf_append

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 tipc 模块 tipc_buf_append 中可能的内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 29

VendorProduct Version RangeStatus
Linux Linux 4b1761898861117c97066aea6c58f68a7787f0bf< 01cd1b7b685751ee422d00d050292a3d277652d6 affected
64d17ec9f1ded042c4b188d15734f33486ed9966< 2f87fd9476cf9725d774e6dcb7d17859c6a6d1ae affected
6da24cfc83ba4f97ea44fc7ae9999a006101755c< adbce6d20da6254c86425a8d4359b221b5ccbccd affected
b7df21cf1b79ab7026f545e7bf837bd5750ac026< 42c8471b0566c7539e7dd584b4d0ebd3cec8cb2c affected
b7df21cf1b79ab7026f545e7bf837bd5750ac026< d03a82f4f8144befdc10518e732e2a60b34c870e affected
b7df21cf1b79ab7026f545e7bf837bd5750ac026< 614c5a5ae45a921595952117b2e2bd4d4bf9b574 affected
b7df21cf1b79ab7026f545e7bf837bd5750ac026< 3210d34fda4caff212cb53729e6bd46de604d565 affected
b7df21cf1b79ab7026f545e7bf837bd5750ac026< 97bf6f81b29a8efaf5d0983251a7450e5794370d affected
… +21 more rows
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I. Basic Information for CVE-2024-36954

Vulnerability Information
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Vulnerability Title
tipc: fix a possible memleak in tipc_buf_append
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tipc: fix a possible memleak in tipc_buf_append __skb_linearize() doesn't free the skb when it fails, so move '*buf = NULL' after __skb_linearize(), so that the skb can be freed on the err path.
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 tipc 模块 tipc_buf_append 中可能的内存泄漏。
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 4b1761898861117c97066aea6c58f68a7787f0bf ~ 01cd1b7b685751ee422d00d050292a3d277652d6 -
Linux Linux 5.13 -

II. Public POCs for CVE-2024-36954

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III. Intelligence Information for CVE-2024-36954

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Mailing List Discussions for CVE-2024-36954 (2)

Other References for CVE-2024-36954 (7)

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-2024-36954

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