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CVE-2021-47499— iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove

EPSS 0.01% · P3

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxa25691c1f9674090fb66586cf4c5d60d3efdf339< 8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fcaffected
a25691c1f9674090fb66586cf4c5d60d3efdf339< 60a55b9d91ba99eb8cf015bc46dc2de05e168a15affected
a25691c1f9674090fb66586cf4c5d60d3efdf339< 3899700ddacbf7aaafadf44464fff3ff0d4e3307affected
a25691c1f9674090fb66586cf4c5d60d3efdf339< a3730f74159ad00a28960c0efe2a931fe6fe6b45affected
a25691c1f9674090fb66586cf4c5d60d3efdf339< 8c163a14277115ca962103910ab4cce55e862ffbaffected
a25691c1f9674090fb66586cf4c5d60d3efdf339< ee86d0bad80bdcd11a87e188a596727f41b62320affected
a25691c1f9674090fb66586cf4c5d60d3efdf339< 14508fe13b1c578b3d2ba574f1d48b351975860caffected
a25691c1f9674090fb66586cf4c5d60d3efdf339< 70c9774e180d151abaab358108e3510a8e615215affected
… +10 more rows
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I. Basic Information for CVE-2021-47499

Vulnerability Information
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Vulnerability Title
iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove When ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the memory allocated by iio_triggered_buffer_setup() will not be freed, and cause memory leak as follows: unreferenced object 0xffff888009551400 (size 512): comm "i2c-SMO8500-125", pid 911, jiffies 4294911787 (age 83.852s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff ........ ....... backtrace: [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360 [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Fix it by remove data->dready_trig condition in probe and remove.
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。
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 a25691c1f9674090fb66586cf4c5d60d3efdf339 ~ 8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc -
LinuxLinux 4.2 -

II. Public POCs for CVE-2021-47499

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III. Intelligence Information for CVE-2021-47499

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Patches & Fixes for CVE-2021-47499 (1)

Other References for CVE-2021-47499 (7)

Same Patch Batch · Linux · 2024-05-24 · 73 CVEs total

CVE-2021-47549sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl
CVE-2021-47569io_uring: fail cancellation for EXITING tasks
CVE-2021-47567powerpc/32: Fix hardlockup on vmap stack overflow
CVE-2021-47554vdpa_sim: avoid putting an uninitialized iova_domain
CVE-2021-47555net: vlan: fix underflow for the real_dev refcnt
CVE-2021-47553sched/scs: Reset task stack state in bringup_cpu()
CVE-2021-47551drm/amd/amdkfd: Fix kernel panic when reset failed and been triggered again
CVE-2021-47552blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release()
CVE-2021-47550drm/amd/amdgpu: fix potential memleak
CVE-2021-47548ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst
CVE-2021-47556ethtool: ioctl: fix potential NULL deref in ethtool_set_coalesce()
CVE-2021-47547net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
CVE-2021-47546ipv6: fix memory leak in fib6_rule_suppress
CVE-2021-47544tcp: fix page frag corruption on page fault
CVE-2021-47542net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()
CVE-2021-47541net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()
CVE-2021-47540mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode
CVE-2021-47539rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()
CVE-2021-47538rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()
CVE-2021-47536net/smc: fix wrong list_del in smc_lgr_cleanup_early

Showing top 20 of 73 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47499

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