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CVE-2022-48873— misc: fastrpc: Don't remove map on creater_process and device_release

EPSS 0.02% · P6
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I. Basic Information for CVE-2022-48873

Vulnerability Information
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Vulnerability Title
misc: fastrpc: Don't remove map on creater_process and device_release
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Don't remove map on creater_process and device_release Do not remove the map from the list on error path in fastrpc_init_create_process, instead call fastrpc_map_put, to avoid use-after-free. Do not remove it on fastrpc_device_release either, call fastrpc_map_put instead. The fastrpc_free_map is the only proper place to remove the map. This is called only after the reference count is 0.
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 fastrpc 组件在创建进程和设备释放时不应该移除映射。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux b49f6d83e290f17e20f4e5cf31288d3bb4955ea6 ~ 4b5c44e924a571d0ad07054de549624fbc04e4d7 -
LinuxLinux 5.2 -

II. Public POCs for CVE-2022-48873

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III. Intelligence Information for CVE-2022-48873

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Same Patch Batch · Linux · 2024-08-21 · 69 CVEs total

CVE-2022-48877f2fs: let's avoid panic if extent_tree is not created
CVE-2024-43874crypto: ccp - Fix null pointer dereference in __sev_snp_shutdown_locked
CVE-2024-43873vhost/vsock: always initialize seqpacket_allow
CVE-2024-43875PCI: endpoint: Clean up error handling in vpci_scan_bus()
CVE-2022-48870tty: fix possible null-ptr-defer in spk_ttyio_release
CVE-2022-48871tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer
CVE-2022-48872misc: fastrpc: Fix use-after-free race condition for maps
CVE-2022-48874misc: fastrpc: Fix use-after-free and race in fastrpc_map_find
CVE-2022-48875wifi: mac80211: sdata can be NULL during AMPDU start
CVE-2022-48876wifi: mac80211: fix initialization of rx->link and rx->link_sta
CVE-2022-48869USB: gadgetfs: Fix race between mounting and unmounting
CVE-2022-48878Bluetooth: hci_qca: Fix driver shutdown on closed serdev
CVE-2022-48879efi: fix NULL-deref in init error path
CVE-2022-48880platform/surface: aggregator: Add missing call to ssam_request_sync_free()
CVE-2022-48881platform/x86/amd: Fix refcount leak in amd_pmc_probe
CVE-2022-48882net/mlx5e: Fix macsec possible null dereference when updating MAC security entity (SecY)
CVE-2022-48883net/mlx5e: IPoIB, Block PKEY interfaces with less rx queues than parent
CVE-2022-48884net/mlx5: Fix command stats access after free
CVE-2022-48885ice: Fix potential memory leak in ice_gnss_tty_write()
CVE-2022-48886ice: Add check for kzalloc

Showing top 20 of 69 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48873

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