CVE-2023-52686— powerpc/powernv: Add a null pointer check in opal_event_init()
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2717a33d60745f2f72e521cdaedf79b00f66f8ca< 8422d179cf46889c15ceff9ede48c5bfa4e7f0b4 | affected |
2717a33d60745f2f72e521cdaedf79b00f66f8ca< e93d7cf4c1ddbcd846739e7ad849f955a4f18031 | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< e6ad05e3ae9c84c5a71d7bb2d44dc845ae7990cf | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< c0b111ea786ddcc8be0682612830796ece9436c7 | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< 9a523e1da6d88c2034f946adfa4f74b236c95ca9 | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< a14c55eb461d630b836f80591d8caf1f74e62877 | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< e08c2e275fa1874de945b87093f925997722ee42 | affected | ||
2717a33d60745f2f72e521cdaedf79b00f66f8ca< 8649829a1dd25199bbf557b2621cedb4bf9b3050 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2023-52686
Vulnerability Information
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Vulnerability Title
powerpc/powernv: Add a null pointer check in opal_event_init()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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，该漏洞源于在 opal_event_init函数中缺少空指针检查。
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-2023-52686
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Mailing List Discussions for CVE-2023-52686 (1)
Other References for CVE-2023-52686 (7)
Same Patch Batch · Linux · 2024-05-17 · 135 CVEs total
| CVE-2023-52673 | drm/amd/display: Fix a debugfs null pointer error | |
| CVE-2023-52684 | firmware: qcom: qseecom: fix memory leaks in error paths | |
| CVE-2023-52683 | ACPI: LPIT: Avoid u32 multiplication overflow | |
| CVE-2023-52682 | f2fs: fix to wait on block writeback for post_read case | |
| CVE-2023-52681 | efivarfs: Free s_fs_info on unmount | |
| CVE-2023-52680 | ALSA: scarlett2: Add missing error checks to *_ctl_get() | |
| CVE-2023-52679 | of: Fix double free in of_parse_phandle_with_args_map | |
| CVE-2023-52678 | drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c | |
| CVE-2023-52677 | riscv: Check if the code to patch lies in the exit section | |
| CVE-2023-52676 | bpf: Guard stack limits against 32bit overflow | |
| CVE-2023-52675 | powerpc/imc-pmu: Add a null pointer check in update_events_in_group() | |
| CVE-2023-52674 | ALSA: scarlett2: Add clamp() in scarlett2_mixer_ctl_put() | |
| CVE-2024-35838 | wifi: mac80211: fix potential sta-link leak | |
| CVE-2024-35837 | net: mvpp2: clear BM pool before initialization | |
| CVE-2024-35836 | dpll: fix pin dump crash for rebound module | |
| CVE-2024-35835 | net/mlx5e: fix a double-free in arfs_create_groups | |
| CVE-2024-35834 | xsk: recycle buffer in case Rx queue was full | |
| CVE-2024-35831 | io_uring: Fix release of pinned pages when __io_uaddr_map fails | |
| CVE-2024-35829 | drm/lima: fix a memleak in lima_heap_alloc | |
| CVE-2024-35830 | media: tc358743: register v4l2 async device only after successful setup |
Showing top 20 of 135 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-64600
xfs: resample the data fork mapping after cycling ILOCK - CVE-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i
Same vendor: Linux
- CVE-2026-64600
xfs: resample the data fork mapping after cycling ILOCK - CVE-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i
V. Comments for CVE-2023-52686
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