CVE-2024-56776— drm/sti: avoid potential dereference of error pointers
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I. Basic Information for CVE-2024-56776
Vulnerability Information
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Vulnerability Title
drm/sti: avoid potential dereference of error pointers
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/sti: avoid potential dereference of error pointers The return value of drm_atomic_get_crtc_state() needs to be checked. To avoid use of error pointer 'crtc_state' in case of the failure.
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 代码问题漏洞
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存在代码问题漏洞，该漏洞源于STI DRM驱动在处理错误指针时，未检查drm_atomic_get_crtc_state的返回值，可能导致错误指针的解引用，影响显示系统的稳定性和性能。
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-2024-56776
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Same Patch Batch · Linux · 2025-01-08 · 16 CVEs total
| CVE-2024-56770 | net/sched: netem: account for backlog updates from child qdisc | |
| CVE-2024-56771 | mtd: spinand: winbond: Fix 512GW, 01GW, 01JW and 02JW ECC information | |
| CVE-2024-56773 | kunit: Fix potential null dereference in kunit_device_driver_test() | |
| CVE-2024-56772 | kunit: string-stream: Fix a UAF bug in kunit_init_suite() | |
| CVE-2024-56774 | btrfs: add a sanity check for btrfs root in btrfs_search_slot() | |
| CVE-2024-56775 | drm/amd/display: Fix handling of plane refcount | |
| CVE-2024-56777 | drm/sti: avoid potential dereference of error pointers in sti_gdp_atomic_check | |
| CVE-2024-56778 | drm/sti: avoid potential dereference of error pointers in sti_hqvdp_atomic_check | |
| CVE-2024-56779 | nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur | |
| CVE-2024-56780 | quota: flush quota_release_work upon quota writeback | |
| CVE-2024-56782 | ACPI: x86: Add adev NULL check to acpi_quirk_skip_serdev_enumeration() | |
| CVE-2024-56783 | netfilter: nft_socket: remove WARN_ON_ONCE on maximum cgroup level | |
| CVE-2024-56785 | MIPS: Loongson64: DTS: Really fix PCIe port nodes for ls7a | |
| CVE-2024-56784 | drm/amd/display: Adding array index check to prevent memory corruption | |
| CVE-2024-56787 | soc: imx8m: Probe the SoC driver as platform driver |
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2024-56776
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