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CVE-2024-53138— net/mlx5e: kTLS, Fix incorrect page refcounting

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net/mlx5e驱动中kTLS传输处理代码中页面引用计数不正确的问题，可能导致folio页面被过度解引用。

CVSS 9.8 · Critical EPSS 0.55% · P45

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 84d1bb2b139e0184b1754aa1b5776186b475fce8< a0ddb20a748b122ea86003485f7992fa5e84cc95 affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< ffad2ac8c859c1c1a981fe9c4f7ff925db684a43 affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< c7b97f9e794d8e2bbaa50e1d6c230196fd214b5e affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< 69fbd07f17b0fdaf8970bc705f5bf115c297839d affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< 93a14620b97c911489a5b008782f3d9b0c4aeff4 affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< 2723e8b2cbd486cb96e5a61b22473f7fd62e18df affected
84d1bb2b139e0184b1754aa1b5776186b475fce8< dd6e972cc5890d91d6749bb48e3912721c4e4b25 affected
5.4 affected
… +8 more rows
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I. Basic Information for CVE-2024-53138

Vulnerability Information
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Vulnerability Title
net/mlx5e: kTLS, Fix incorrect page refcounting
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix incorrect page refcounting The kTLS tx handling code is using a mix of get_page() and page_ref_inc() APIs to increment the page reference. But on the release path (mlx5e_ktls_tx_handle_resync_dump_comp()), only put_page() is used. This is an issue when using pages from large folios: the get_page() references are stored on the folio page while the page_ref_inc() references are stored directly in the given page. On release the folio page will be dereferenced too many times. This was found while doing kTLS testing with sendfile() + ZC when the served file was read from NFS on a kernel with NFS large folios support (commit 49b29a573da8 ("nfs: add support for large folios")).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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net/mlx5e驱动中kTLS传输处理代码中页面引用计数不正确的问题，可能导致folio页面被过度解引用。
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 84d1bb2b139e0184b1754aa1b5776186b475fce8 ~ a0ddb20a748b122ea86003485f7992fa5e84cc95 -
Linux Linux 5.4 -

II. Public POCs for CVE-2024-53138

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III. Intelligence Information for CVE-2024-53138

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Patches & Fixes for CVE-2024-53138 (7)

Same Patch Batch · Linux · 2024-12-04 · 16 CVEs total

CVE-2024-53135 8.8 HIGH KVM: VMX: Bury Intel PT virtualization (guest/host mode) behind CONFIG_BROKEN
CVE-2024-53125 7.8 HIGH bpf: sync_linked_regs() must preserve subreg_def
CVE-2024-53127 7.8 HIGH Revert "mmc: dw_mmc: Fix IDMAC operation with pages bigger than 4K"
CVE-2024-53133 7.8 HIGH drm/amd/display: Handle dml allocation failure to avoid crash
CVE-2024-53139 7.8 HIGH sctp: fix possible UAF in sctp_v6_available()
CVE-2024-53140 7.8 HIGH netlink: terminate outstanding dump on socket close
CVE-2024-53136 7.5 HIGH mm: revert "mm: shmem: fix data-race in shmem_getattr()"
CVE-2024-53126 7.1 HIGH vdpa: solidrun: Fix UB bug with devres
CVE-2024-53128 sched/task_stack: fix object_is_on_stack() for KASAN tagged pointers
CVE-2024-53129 drm/rockchip: vop: Fix a dereferenced before check warning
CVE-2024-53130 nilfs2: fix null-ptr-deref in block_dirty_buffer tracepoint
CVE-2024-53131 nilfs2: fix null-ptr-deref in block_touch_buffer tracepoint
CVE-2024-53132 drm/xe/oa: Fix "Missing outer runtime PM protection" warning
CVE-2024-53134 pmdomain: imx93-blk-ctrl: correct remove path
CVE-2024-53137 ARM: fix cacheflush with PAN

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-53138

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