CVE-2022-50276— power: supply: fix null pointer dereferencing in power_supply_get_battery_info
Affected Version Matrix 14
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 3afb50d7125bcdbf71df843134e96ceffc78c8b8< 8ea68b4e3fa9392ef9dae303abc8735a033c280f | affected |
3afb50d7125bcdbf71df843134e96ceffc78c8b8< 5beadb55f4e36fafe5d6df5dcd5f85d803f3f134 | affected | ||
3afb50d7125bcdbf71df843134e96ceffc78c8b8< d21534ab4fd7883e1c8037a76671d4e8b6ea14cb | affected | ||
3afb50d7125bcdbf71df843134e96ceffc78c8b8< 279af90e65cbdb3e5c4519b0043324d7876bc5ec | affected | ||
3afb50d7125bcdbf71df843134e96ceffc78c8b8< b8131efb89d9f837c9244f900f0fc2699fd1181d | affected | ||
3afb50d7125bcdbf71df843134e96ceffc78c8b8< 104bb8a663451404a26331263ce5b96c34504049 | affected | ||
5.0 | affected | ||
< 5.0 | unaffected | ||
| … +6 more rows | |||
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I. Basic Information for CVE-2022-50276
Vulnerability Information
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Vulnerability Title
power: supply: fix null pointer dereferencing in power_supply_get_battery_info
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in power_supply_get_battery_info when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference. So return ENOMEM if kasprintf() return NULL pointer.
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，该漏洞源于未处理kasprintf内存分配失败情况，可能导致空指针取消引用。
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-2022-50276
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total
| CVE-2022-50293 | btrfs: do not BUG_ON() on ENOMEM when dropping extent items for a range | |
| CVE-2023-53232 | mt76: mt7921: fix kernel panic by accessing unallocated eeprom.data | |
| CVE-2023-53233 | net/smc: fix deadlock triggered by cancel_delayed_work_syn() | |
| CVE-2023-53234 | watchdog: Fix kmemleak in watchdog_cdev_register | |
| CVE-2023-53235 | drm/tests: helpers: Avoid a driver uaf | |
| CVE-2023-53236 | iommufd: Do not corrupt the pfn list when doing batch carry | |
| CVE-2023-53237 | drm/amdgpu: fix amdgpu_irq_put call trace in gmc_v11_0_hw_fini | |
| CVE-2023-53238 | phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe() | |
| CVE-2023-53239 | drm/msm/mdp5: Add check for kzalloc | |
| CVE-2023-53240 | xsk: check IFF_UP earlier in Tx path | |
| CVE-2023-53241 | nfsd: call op_release, even when op_func returns an error | |
| CVE-2023-53242 | thermal/drivers/hisi: Drop second sensor hi3660 | |
| CVE-2022-50291 | kcm: annotate data-races around kcm->rx_psock | |
| CVE-2022-50292 | drm/msm/dp: fix bridge lifetime | |
| CVE-2022-50303 | drm/amdkfd: Fix double release compute pasid | |
| CVE-2022-50300 | btrfs: fix extent map use-after-free when handling missing device in read_one_chunk | |
| CVE-2022-50301 | iommu/omap: Fix buffer overflow in debugfs | |
| CVE-2022-50302 | lockd: set other missing fields when unlocking files | |
| CVE-2022-50299 | md: Replace snprintf with scnprintf | |
| CVE-2022-50304 | mtd: core: fix possible resource leak in init_mtd() |
Showing top 20 of 210 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43492
lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_ - CVE-2026-43493
crypto: pcrypt - Fix handling of MAY_BACKLOG requests - CVE-2026-43491
net: qrtr: ns: Limit the maximum server registration per nod - CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length
Same vendor: Linux
- CVE-2026-43492
lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_ - CVE-2026-43493
crypto: pcrypt - Fix handling of MAY_BACKLOG requests - CVE-2026-43491
net: qrtr: ns: Limit the maximum server registration per nod - CVE-2026-46333
ptrace: slightly saner 'get_dumpable()' logic - CVE-2026-43490
ksmbd: validate inherited ACE SID length
V. Comments for CVE-2022-50276
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