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CVE-2023-53423— objtool: Fix memory leak in create_static_call_sections()

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，该漏洞源于未释放strdup分配的内存，可能导致内存泄漏。

AI Predicted 3.1 Difficulty: Trivial EPSS 0.15% · P4

Possible ATT&CK Techniques 2 AI

T1499 · Endpoint Denial of Service T1562

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux 1e7e47883830aae5e8246a22ca2fc6883c61acdf< a1368eaea058e451d20ea99ca27e72d9df0d16dd affected
1e7e47883830aae5e8246a22ca2fc6883c61acdf< 3a75866a5ceff5d4fdd5471e06c4c4d03e0298b3 affected
1e7e47883830aae5e8246a22ca2fc6883c61acdf< a8f63d747bf7c983882a5ea7456a5f84ad3acad5 affected
1e7e47883830aae5e8246a22ca2fc6883c61acdf< d131718d9c45d559951f57c4b88209ca407433c4 affected
1e7e47883830aae5e8246a22ca2fc6883c61acdf< 3da73f102309fe29150e5c35acd20dd82063ff67 affected
5.10 affected
< 5.10 unaffected
5.10.173≤ 5.10.* unaffected
… +4 more rows
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I. Basic Information for CVE-2023-53423

Vulnerability Information
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Vulnerability Title
objtool: Fix memory leak in create_static_call_sections()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: objtool: Fix memory leak in create_static_call_sections() strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak.
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，该漏洞源于未释放strdup分配的内存，可能导致内存泄漏。
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 1e7e47883830aae5e8246a22ca2fc6883c61acdf ~ a1368eaea058e451d20ea99ca27e72d9df0d16dd -
Linux Linux 5.10 -

II. Public POCs for CVE-2023-53423

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III. Intelligence Information for CVE-2023-53423

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Same Patch Batch · Linux · 2025-09-18 · 121 CVEs total

CVE-2023-53382 9.8 CRITICAL net/smc: Reset connection when trying to use SMCRv2 fails.
CVE-2022-50401 9.8 CRITICAL nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
CVE-2022-50410 9.8 CRITICAL NFSD: Protect against send buffer overflow in NFSv2 READ
CVE-2022-50413 8.8 HIGH wifi: mac80211: fix use-after-free
CVE-2022-50419 8.8 HIGH Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times
CVE-2023-53374 8.8 HIGH Bluetooth: hci_conn: fail SCO/ISO via hci_conn_failed if ACL gone early
CVE-2022-50386 8.8 HIGH Bluetooth: L2CAP: Fix user-after-free
CVE-2023-53431 8.8 HIGH scsi: ses: Handle enclosure with just a primary component gracefully
CVE-2023-53432 8.8 HIGH firewire: net: fix use after free in fwnet_finish_incoming_packet()
CVE-2023-53372 8.2 HIGH sctp: fix a potential overflow in sctp_ifwdtsn_skip
CVE-2023-53398 7.8 HIGH mlx5: fix possible ptp queue fifo use-after-free
CVE-2023-53426 7.8 HIGH xsk: Fix xsk_diag use-after-free error during socket cleanup
CVE-2023-53378 7.8 HIGH drm/i915/dpt: Treat the DPT BO as a framebuffer
CVE-2023-53377 7.8 HIGH cifs: prevent use-after-free by freeing the cfile later
CVE-2023-53376 7.8 HIGH scsi: mpi3mr: Use number of bits to manage bitmap sizes
CVE-2023-53373 7.8 HIGH crypto: seqiv - Handle EBUSY correctly
CVE-2023-53429 7.8 HIGH btrfs: don't check PageError in __extent_writepage
CVE-2022-50399 7.8 HIGH media: atomisp: prevent integer overflow in sh_css_set_black_frame()
CVE-2022-50411 7.8 HIGH ACPICA: Fix error code path in acpi_ds_call_control_method()
CVE-2022-50384 7.8 HIGH staging: vme_user: Fix possible UAF in tsi148_dma_list_add

Showing top 20 of 121 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53423

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