CVE-2021-47513— net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering
Affected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 8d5f7954b7c8de54902a8beda141064a7e2e6ee0< 973a0373e88cc19129bd6ef0ec193040535397d9 | affected |
8d5f7954b7c8de54902a8beda141064a7e2e6ee0< e8b1d7698038e76363859fb47ae0a262080646f5 | affected | ||
6b55eadb0b1da827f198364c426ace72c16c49b0 | affected | ||
5.14.14< 5.15 | affected | ||
5.15 | affected | ||
< 5.15 | unaffected | ||
5.15.8≤ 5.15.* | unaffected | ||
5.16≤ * | unaffected |
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I. Basic Information for CVE-2021-47513
Vulnerability Information
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Vulnerability Title
net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: dsa: felix: Fix memory leak in felix_setup_mmio_filtering Avoid a memory leak if there is not a CPU port defined. Addresses-Coverity-ID: 1492897 ("Resource leak") Addresses-Coverity-ID: 1492899 ("Resource leak")
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 net:dsa:felix 模块 felix_setup_mmio_filtering 中的内存泄漏。
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-2021-47513
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-47513 (2)
Same Patch Batch · Linux · 2024-05-24 · 73 CVEs total
| CVE-2021-47549 | sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl | |
| CVE-2021-47569 | io_uring: fail cancellation for EXITING tasks | |
| CVE-2021-47567 | powerpc/32: Fix hardlockup on vmap stack overflow | |
| CVE-2021-47554 | vdpa_sim: avoid putting an uninitialized iova_domain | |
| CVE-2021-47555 | net: vlan: fix underflow for the real_dev refcnt | |
| CVE-2021-47553 | sched/scs: Reset task stack state in bringup_cpu() | |
| CVE-2021-47551 | drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again | |
| CVE-2021-47552 | blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release() | |
| CVE-2021-47550 | drm/amd/amdgpu: fix potential memleak | |
| CVE-2021-47548 | ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst | |
| CVE-2021-47556 | ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce() | |
| CVE-2021-47547 | net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound | |
| CVE-2021-47546 | ipv6: fix memory leak in fib6_rule_suppress | |
| CVE-2021-47544 | tcp: fix page frag corruption on page fault | |
| CVE-2021-47542 | net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings() | |
| CVE-2021-47541 | net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources() | |
| CVE-2021-47540 | mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode | |
| CVE-2021-47539 | rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle() | |
| CVE-2021-47538 | rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() | |
| CVE-2021-47536 | net/smc: fix wrong list_del in smc_lgr_cleanup_early |
Showing top 20 of 73 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-52907
media: rockchip: rkcif: fix off by one bugs - CVE-2026-52906
9p: fix access mode flags being ORed instead of replaced - CVE-2026-52905
mm/damon/core: disallow non-power of two min_region_sz on da - CVE-2026-52904
drm/nouveau: fix nvkm_device leak on aperture removal failur - CVE-2026-46332
greybus: gb-beagleplay: bound bootloader receive buffering
Same vendor: Linux
- CVE-2026-52907
media: rockchip: rkcif: fix off by one bugs - CVE-2026-52906
9p: fix access mode flags being ORed instead of replaced - CVE-2026-52905
mm/damon/core: disallow non-power of two min_region_sz on da - CVE-2026-52904
drm/nouveau: fix nvkm_device leak on aperture removal failur - CVE-2026-46332
greybus: gb-beagleplay: bound bootloader receive buffering
V. Comments for CVE-2021-47513
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