CVE-2024-46741— misc: fastrpc: Fix double free of 'buf' in error path
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2< f77dc8a75859e559f3238a6d906206259227985e | affected |
72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2< bfc1704d909dc9911a558b1a5833d3d61a43a1f2 | affected | ||
72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2< e8c276d4dc0e19ee48385f74426aebc855b49aaf | affected | ||
6.2 | affected | ||
< 6.2 | unaffected | ||
6.6.51≤ 6.6.* | unaffected | ||
6.10.10≤ 6.10.* | unaffected | ||
6.11≤ * | unaffected |
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I. Basic Information for CVE-2024-46741
Vulnerability Information
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Vulnerability Title
misc: fastrpc: Fix double free of 'buf' in error path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix double free of 'buf' in error path smatch warning: drivers/misc/fastrpc.c:1926 fastrpc_req_mmap() error: double free of 'buf' In fastrpc_req_mmap() error path, the fastrpc buffer is freed in fastrpc_req_munmap_impl() if unmap is successful. But in the end, there is an unconditional call to fastrpc_buf_free(). So the above case triggers the double free of fastrpc buf.
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，该漏洞源于存在双重释放问题。
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-2024-46741
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2024-46741 (1)
Same Patch Batch · Linux · 2024-09-18 · 85 CVEs total
| CVE-2024-46717 | 9.8 CRITICAL | net/mlx5e: SHAMPO, Fix incorrect page release |
| CVE-2024-46736 | 9.8 CRITICAL | smb: client: fix double put of @cfile in smb2_rename_path() |
| CVE-2024-46796 | 9.8 CRITICAL | smb: client: fix double put of @cfile in smb2_set_path_size() |
| CVE-2024-46755 | 8.8 HIGH | wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() |
| CVE-2024-46750 | 7.8 HIGH | PCI: Add missing bridge lock to pci_bus_lock() |
| CVE-2024-46725 | 7.8 HIGH | drm/amdgpu: Fix out-of-bounds write warning |
| CVE-2024-46792 | 7.8 HIGH | riscv: misaligned: Restrict user access to kernel memory |
| CVE-2024-46787 | 7.8 HIGH | userfaultfd: fix checks for huge PMDs |
| CVE-2024-46734 | 7.8 HIGH | btrfs: fix race between direct IO write and fsync when using same fd |
| CVE-2024-46738 | 7.8 HIGH | VMCI: Fix use-after-free when removing resource in vmci_resource_remove() |
| CVE-2024-46746 | 7.8 HIGH | HID: amd_sfh: free driver_data after destroying hid device |
| CVE-2024-46781 | 7.8 HIGH | nilfs2: fix missing cleanup on rollforward recovery error |
| CVE-2024-46780 | 7.8 HIGH | nilfs2: protect references to superblock parameters exposed in sysfs |
| CVE-2024-46740 | 7.8 HIGH | binder: fix UAF caused by offsets overwrite |
| CVE-2024-46751 | 7.8 HIGH | btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info() |
| CVE-2024-46777 | 7.8 HIGH | udf: Avoid excessive partition lengths |
| CVE-2024-46754 | 7.8 HIGH | bpf: Remove tst_run from lwt_seg6local_prog_ops. |
| CVE-2024-46762 | 7.8 HIGH | xen: privcmd: Fix possible access to a freed kirqfd instance |
| CVE-2024-46765 | 7.8 HIGH | ice: protect XDP configuration with a mutex |
| CVE-2024-46771 | 7.8 HIGH | can: bcm: Remove proc entry when dev is unregistered. |
Showing top 20 of 85 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
V. Comments for CVE-2024-46741
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