CVE-2023-52518— Bluetooth: hci_codec: Fix leaking content of local_codecs
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I. Basic Information for CVE-2023-52518
Vulnerability Information
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Vulnerability Title
Bluetooth: hci_codec: Fix leaking content of local_codecs
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_codec: Fix leaking content of local_codecs The following memory leak can be observed when the controller supports codecs which are stored in local_codecs list but the elements are never freed: unreferenced object 0xffff88800221d840 (size 32): comm "kworker/u3:0", pid 36, jiffies 4294898739 (age 127.060s) hex dump (first 32 bytes): f8 d3 02 03 80 88 ff ff 80 d8 21 02 80 88 ff ff ..........!..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<ffffffffb324f557>] __kmalloc+0x47/0x120 [<ffffffffb39ef37d>] hci_codec_list_add.isra.0+0x2d/0x160 [<ffffffffb39ef643>] hci_read_codec_capabilities+0x183/0x270 [<ffffffffb39ef9ab>] hci_read_supported_codecs+0x1bb/0x2d0 [<ffffffffb39f162e>] hci_read_local_codecs_sync+0x3e/0x60 [<ffffffffb39ff1b3>] hci_dev_open_sync+0x943/0x11e0 [<ffffffffb396d55d>] hci_power_on+0x10d/0x3f0 [<ffffffffb30c99b4>] process_one_work+0x404/0x800 [<ffffffffb30ca134>] worker_thread+0x374/0x670 [<ffffffffb30d9108>] kthread+0x188/0x1c0 [<ffffffffb304db6b>] ret_from_fork+0x2b/0x50 [<ffffffffb300206a>] ret_from_fork_asm+0x1a/0x30
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于存在内存泄漏问题。
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-2023-52518
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Same Patch Batch · Linux · 2024-03-02 · 57 CVEs total
| CVE-2023-52563 | drm/meson: fix memory leak on ->hpd_notify callback | |
| CVE-2023-52581 | netfilter: nf_tables: fix memleak when more than 255 elements expired | |
| CVE-2023-52574 | team: fix null-ptr-deref when team device type is changed | |
| CVE-2023-52578 | net: bridge: use DEV_STATS_INC() | |
| CVE-2023-52577 | dccp: fix dccp_v4_err()/dccp_v6_err() again | |
| CVE-2023-52576 | x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer() | |
| CVE-2023-52580 | net/core: Fix ETH_P_1588 flow dissector | |
| CVE-2023-52566 | nilfs2: fix potential use after free in nilfs_gccache_submit_read_data() | |
| CVE-2023-52565 | media: uvcvideo: Fix OOB read | |
| CVE-2023-52564 | Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux" | |
| CVE-2023-52567 | serial: 8250_port: Check IRQ data before use | |
| CVE-2023-52562 | mm/slab_common: fix slab_caches list corruption after kmem_cache_destroy() | |
| CVE-2023-52561 | arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved | |
| CVE-2023-52560 | mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions() | |
| CVE-2023-52559 | iommu/vt-d: Avoid memory allocation in iommu_suspend() | |
| CVE-2023-52532 | net: mana: Fix TX CQE error handling | |
| CVE-2023-52531 | wifi: iwlwifi: mvm: Fix a memory corruption issue | |
| CVE-2023-52530 | wifi: mac80211: fix potential key use-after-free | |
| CVE-2023-52529 | HID: sony: Fix a potential memory leak in sony_probe() | |
| CVE-2023-52528 | net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg |
Showing top 20 of 57 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2023-52518
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