CVE-2023-52576— x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
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，该漏洞源于内存释放后重用。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1211 · Exploitation for StealthAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | fee3ff99bc67604fba77f19da0106f3ec52b1956< eef16bfdb212da60f5144689f2967fb25b051a2b |
affected |
fee3ff99bc67604fba77f19da0106f3ec52b1956< d2dfbc0e3b7a04c2d941421a958dc31c897fb204 |
affected | ||
fee3ff99bc67604fba77f19da0106f3ec52b1956< 34cf99c250d5cd2530b93a57b0de31d3aaf8685b |
affected | ||
5.13 |
affected | ||
< 5.13 |
unaffected | ||
6.1.56≤ 6.1.* |
unaffected | ||
6.5.6≤ 6.5.* |
unaffected | ||
6.6≤ * |
unaffected |
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I. Basic Information for CVE-2023-52576
Vulnerability Information
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Vulnerability Title
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
The code calling ima_free_kexec_buffer() runs long after the memblock
allocator has already been torn down, potentially resulting in a use
after free in memblock_isolate_range().
With KASAN or KFENCE, this use after free will result in a BUG
from the idle task, and a subsequent kernel panic.
Switch ima_free_kexec_buffer() over to memblock_free_late() to avoid
that bug.
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，该漏洞源于内存释放后重用。
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-2023-52576
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2023-52576 (3)
Same Patch Batch · Linux · 2024-03-02 · 57 CVEs total
| CVE-2023-52515 | 9.8 CRITICAL | RDMA/srp: Do not call scsi_done() from srp_abort() |
| CVE-2023-52530 | 8.8 HIGH | wifi: mac80211: fix potential key use-after-free |
| CVE-2023-52522 | 8.8 HIGH | net: fix possible store tearing in neigh_periodic_work() |
| CVE-2023-52502 | 8.8 HIGH | net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() |
| CVE-2024-26621 | 8.2 HIGH | mm: huge_memory: don't force huge page alignment on 32 bit |
| CVE-2023-52523 | 7.8 HIGH | bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets |
| CVE-2023-52509 | 7.8 HIGH | ravb: Fix use-after-free issue in ravb_tx_timeout_work() |
| CVE-2023-52572 | 7.8 HIGH | cifs: Fix UAF in cifs_demultiplex_thread() |
| CVE-2023-52517 | 7.8 HIGH | spi: sun6i: fix race between DMA RX transfer completion and RX FIFO drain |
| CVE-2023-52503 | 7.8 HIGH | tee: amdtee: fix use-after-free vulnerability in amdtee_close_session |
| CVE-2023-52574 | 7.8 HIGH | team: fix null-ptr-deref when team device type is changed |
| CVE-2023-52513 | 7.5 HIGH | RDMA/siw: Fix connection failure handling |
| CVE-2023-52565 | 7.1 HIGH | media: uvcvideo: Fix OOB read |
| CVE-2023-52559 | iommu/vt-d: Avoid memory allocation in iommu_suspend() | |
| CVE-2023-52561 | arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved | |
| CVE-2023-52562 | mm/slab_common: fix slab_caches list corruption after kmem_cache_destroy() | |
| CVE-2023-52563 | drm/meson: fix memory leak on ->hpd_notify callback | |
| CVE-2023-52582 | netfs: Only call folio_start_fscache() one time for each folio | |
| CVE-2023-52518 | Bluetooth: hci_codec: Fix leaking content of local_codecs | |
| CVE-2023-52560 | mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions() |
Showing top 20 of 57 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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Same vendor: Linux
-
CVE-2026-98384
bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destr -
CVE-2026-98383
bpf: Disallow bpf_skb_pull_data() for LWT_SEG6LOCAL -
CVE-2026-98382
bpf: Reject dev-bound-only programs on other devices -
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veth: manage XDP program pointers during channel resize -
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V. Comments for CVE-2023-52576
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