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CVE-2023-53539— RDMA/rxe: Fix incomplete state save in rxe_requester

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rxe_requester中状态保存不完整，可能导致数据损坏。

CVSS 7.8 · High EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 3050b99850247695cb07a5c15265afcc08bcf400< 70518f3aaf5a059b691867d7d2d46b999319656a affected
3050b99850247695cb07a5c15265afcc08bcf400< 2f2a6422287fe29f9343247d77b645100ece0652 affected
3050b99850247695cb07a5c15265afcc08bcf400< 255c0e60e1d16874fc151358d94bc8df661600dd affected
3050b99850247695cb07a5c15265afcc08bcf400< 5d122db2ff80cd2aed4dcd630befb56b51ddf947 affected
4.8 affected
< 4.8 unaffected
6.1.53≤ 6.1.* unaffected
6.4.16≤ 6.4.* unaffected
… +2 more rows
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I. Basic Information for CVE-2023-53539

Vulnerability Information
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Vulnerability Title
RDMA/rxe: Fix incomplete state save in rxe_requester
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxe_requester If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fail with err == -EAGAIN. To recover, the state of the wqe is restored to the state before the packet was sent so it can be resent. However, the routines that save and restore the state miss a significnt part of the variable state in the wqe, the dma struct which is used to process through the sge table. And, the state is not saved before the packet is built which modifies the dma struct. Under heavy stress testing with many QPs on a fast node sending large messages to a slow node dropped packets are observed and the resent packets are corrupted because the dma struct was not restored. This patch fixes this behavior and allows the test cases to succeed.
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rxe_requester中状态保存不完整，可能导致数据损坏。
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 3050b99850247695cb07a5c15265afcc08bcf400 ~ 70518f3aaf5a059b691867d7d2d46b999319656a -
Linux Linux 4.8 -

II. Public POCs for CVE-2023-53539

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III. Intelligence Information for CVE-2023-53539

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Patches & Fixes for CVE-2023-53539 (4)

Same Patch Batch · Linux · 2025-10-04 · 144 CVEs total

CVE-2025-39932 9.8 CRITICAL smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work)
CVE-2025-39948 9.8 CRITICAL ice: fix Rx page leak on multi-buffer frames
CVE-2025-39946 9.8 CRITICAL tls: make sure to abort the stream if headers are bogus
CVE-2025-39933 9.4 CRITICAL smb: client: let recv_done verify data_offset, data_length and remaining_data_length
CVE-2025-39943 9.4 CRITICAL ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer
CVE-2023-53600 9.1 CRITICAL tunnels: fix kasan splat when generating ipv4 pmtu error
CVE-2023-53615 8.8 HIGH scsi: qla2xxx: Fix deletion race condition
CVE-2025-39952 8.8 HIGH wifi: wilc1000: avoid buffer overflow in WID string configuration
CVE-2023-53589 8.8 HIGH wifi: iwlwifi: mvm: don't trust firmware n_channels
CVE-2023-53586 8.8 HIGH scsi: target: Fix multiple LUN_RESET handling
CVE-2022-50493 8.8 HIGH scsi: qla2xxx: Fix crash when I/O abort times out
CVE-2023-53598 8.4 HIGH bus: mhi: host: Range check CHDBOFF and ERDBOFF
CVE-2023-53554 7.8 HIGH staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext()
CVE-2023-53566 7.8 HIGH netfilter: nft_set_rbtree: fix null deref on element insertion
CVE-2023-53560 7.8 HIGH tracing/histograms: Add histograms to hist_vars if they have referenced variables
CVE-2023-53559 7.8 HIGH ip_vti: fix potential slab-use-after-free in decode_session6
CVE-2023-53537 7.8 HIGH f2fs: fix to avoid use-after-free for cached IPU bio
CVE-2023-53545 7.8 HIGH drm/amdgpu: unmap and remove csa_va properly
CVE-2023-53552 7.8 HIGH drm/i915: mark requests for GuC virtual engines to avoid use-after-free
CVE-2025-39931 7.8 HIGH crypto: af_alg - Set merge to zero early in af_alg_sendmsg

Showing top 20 of 144 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53539

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