CVE-2023-53377— cifs: prevent use-after-free by freeing the cfile later
Possible ATT&CK Techniques 1AI
T1203 · Exploitation for Client ExecutionAffected Version Matrix 12
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 76894f3e2f71177747b8b4763fb180e800279585< 4fe07d55a5461e66a55fbefb57f85ff0facea32b | affected |
76894f3e2f71177747b8b4763fb180e800279585< b6353518ef8180816e863aa23b06456f395404d6 | affected | ||
76894f3e2f71177747b8b4763fb180e800279585< d017880782cf71f8820ee4a2002843893176501d | affected | ||
76894f3e2f71177747b8b4763fb180e800279585< 33f736187d08f6bc822117629f263b97d3df4165 | affected | ||
2d046892a493d9760c35fdaefc3017f27f91b621 | affected | ||
6.0.16< 6.1 | affected | ||
6.1 | affected | ||
< 6.1 | unaffected | ||
| … +4 more rows | |||
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I. Basic Information for CVE-2023-53377
Vulnerability Information
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Vulnerability Title
cifs: prevent use-after-free by freeing the cfile later
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2_compound_op we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixing it by moving the cfile free call to a few lines below, after the usage.
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cifs模块中cfile过早释放，可能导致释放后重用。
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
II. Public POCs for CVE-2023-53377
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-09-18 · 121 CVEs total
| CVE-2022-50410 | 9.8 CRITICAL | NFSD: Protect against send buffer overflow in NFSv2 READ |
| CVE-2022-50401 | 9.8 CRITICAL | nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure |
| CVE-2023-53382 | 9.8 CRITICAL | net/smc: Reset connection when trying to use SMCRv2 fails. |
| CVE-2022-50419 | 8.8 HIGH | Bluetooth: hci_sysfs: Fix attempting to call device_add multiple times |
| 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-2022-50413 | 8.8 HIGH | wifi: mac80211: fix use-after-free |
| 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-2023-53372 | 8.2 HIGH | sctp: fix a potential overflow in sctp_ifwdtsn_skip |
| CVE-2022-50399 | 7.8 HIGH | media: atomisp: prevent integer overflow in sh_css_set_black_frame() |
| CVE-2023-53398 | 7.8 HIGH | mlx5: fix possible ptp queue fifo use-after-free |
| CVE-2023-53394 | 7.8 HIGH | net/mlx5e: xsk: Fix crash on regular rq reactivation |
| CVE-2022-50417 | 7.8 HIGH | drm/panfrost: Fix GEM handle creation ref-counting |
| CVE-2023-53429 | 7.8 HIGH | btrfs: don't check PageError in __extent_writepage |
| CVE-2023-53387 | 7.8 HIGH | scsi: ufs: core: Fix device management cmd timeout flow |
| CVE-2023-53378 | 7.8 HIGH | drm/i915/dpt: Treat the DPT BO as a framebuffer |
| CVE-2023-53386 | 7.8 HIGH | Bluetooth: Fix potential use-after-free when clear keys |
| CVE-2023-53426 | 7.8 HIGH | xsk: Fix xsk_diag use-after-free error during socket cleanup |
| CVE-2023-53373 | 7.8 HIGH | crypto: seqiv - Handle EBUSY correctly |
Showing top 20 of 121 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
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