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CVE-2022-50074— apparmor: Fix memleak in aa_simple_write_to_buffer()

AI Predicted 5.3 Difficulty: Moderate EPSS 0.16% · P6

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 14

VendorProductVersion RangeStatus
LinuxLinuxa6a52579e52b55448326db88bd9a5740e7c1a037< 6500eb3a48ac221051b1791818a1ac74744ef617affected
a6a52579e52b55448326db88bd9a5740e7c1a037< 7db182a2ebeefded86fea542fcc5d6a68bb77f58affected
a6a52579e52b55448326db88bd9a5740e7c1a037< 8aab4295582eb397a125d2788b829fa62b88dbf7affected
a6a52579e52b55448326db88bd9a5740e7c1a037< bf7ebebce2c25071c719fd8a2f1307e0c243c2d7affected
a6a52579e52b55448326db88bd9a5740e7c1a037< 6583edbf459de2e06b9759f264c0ae27e452b97aaffected
a6a52579e52b55448326db88bd9a5740e7c1a037< 417ea9fe972d2654a268ad66e89c8fcae67017c3affected
4.17affected
< 4.17unaffected
… +6 more rows
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I. Basic Information for CVE-2022-50074

Vulnerability Information
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Vulnerability Title
apparmor: Fix memleak in aa_simple_write_to_buffer()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in aa_simple_write_to_buffer() When copy_from_user failed, the memory is freed by kvfree. however the management struct and data blob are allocated independently, so only kvfree(data) cause a memleak issue here. Use aa_put_loaddata(data) to fix this issue.
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apparmor在aa_simple_write_to_buffer失败时未完全释放data导致内存泄漏。
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 a6a52579e52b55448326db88bd9a5740e7c1a037 ~ 6500eb3a48ac221051b1791818a1ac74744ef617 -
LinuxLinux 4.17 -

II. Public POCs for CVE-2022-50074

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III. Intelligence Information for CVE-2022-50074

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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

CVE-2022-50104powerpc/xive: Fix refcount leak in xive_get_max_prio
CVE-2022-50116tty: n_gsm: fix deadlock and link starvation in outgoing data path
CVE-2022-50114net: 9p: fix refcount leak in p9_read_work() error handling
CVE-2022-50113ASoc: audio-graph-card2: Fix refcount leak bug in __graph_get_type()
CVE-2022-50112rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge
CVE-2022-50111ASoC: mt6359: Fix refcount leak bug
CVE-2022-50110watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource
CVE-2022-50109video: fbdev: amba-clcd: Fix refcount leak bugs
CVE-2022-50108mfd: max77620: Fix refcount leak in max77620_initialise_fps
CVE-2022-50106powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
CVE-2022-50107cifs: Fix memory leak when using fscache
CVE-2022-50105powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader
CVE-2022-50099video: fbdev: arkfb: Check the size of screen before memset_io()
CVE-2022-50095posix-cpu-timers: Cleanup CPU timers before freeing them during exec
CVE-2022-50094spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
CVE-2022-50096x86/kprobes: Update kcb status flag after singlestepping
CVE-2022-50097video: fbdev: s3fb: Check the size of screen before memset_io()
CVE-2022-50098scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
CVE-2022-50101video: fbdev: vt8623fb: Check the size of screen before memset_io()
CVE-2022-50103sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed

Showing top 20 of 362 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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