CVE-2023-53144— erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
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I. Basic Information for CVE-2023-53144
Vulnerability Information
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Vulnerability Title
erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: erofs: fix wrong kunmap when using LZMA on HIGHMEM platforms As the call trace shown, the root cause is kunmap incorrect pages: BUG: kernel NULL pointer dereference, address: 00000000 CPU: 1 PID: 40 Comm: kworker/u5:0 Not tainted 6.2.0-rc5 #4 Workqueue: erofs_worker z_erofs_decompressqueue_work EIP: z_erofs_lzma_decompress+0x34b/0x8ac z_erofs_decompress+0x12/0x14 z_erofs_decompress_queue+0x7e7/0xb1c z_erofs_decompressqueue_work+0x32/0x60 process_one_work+0x24b/0x4d8 ? process_one_work+0x1a4/0x4d8 worker_thread+0x14c/0x3fc kthread+0xe6/0x10c ? rescuer_thread+0x358/0x358 ? kthread_complete_and_exit+0x18/0x18 ret_from_fork+0x1c/0x28 ---[ end trace 0000000000000000 ]--- The bug is trivial and should be fixed now. It has no impact on !HIGHMEM platforms.
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erofs在HIGHMEM平台上使用LZMA时错误取消映射页面，可能导致空指针解引用。
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-2023-53144
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Same Patch Batch · Linux · 2025-05-02 · 107 CVEs total
| CVE-2023-53100 | ext4: fix WARNING in ext4_update_inline_data | |
| CVE-2023-53114 | i40e: Fix kernel crash during reboot when adapter is in recovery mode | |
| CVE-2023-53112 | drm/i915/sseu: fix max_subslices array-index-out-of-bounds access | |
| CVE-2023-53113 | wifi: nl80211: fix NULL-ptr deref in offchan check | |
| CVE-2023-53111 | loop: Fix use-after-free issues | |
| CVE-2023-53109 | net: tunnels: annotate lockless accesses to dev->needed_headroom | |
| CVE-2023-53110 | net/smc: fix NULL sndbuf_desc in smc_cdc_tx_handler() | |
| CVE-2023-53108 | net/iucv: Fix size of interrupt data | |
| CVE-2023-53106 | nfc: st-nci: Fix use after free bug in ndlc_remove due to race condition | |
| CVE-2023-53107 | veth: Fix use after free in XDP_REDIRECT | |
| CVE-2023-53105 | net/mlx5e: Fix cleanup null-ptr deref on encap lock | |
| CVE-2023-53103 | bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails | |
| CVE-2023-53101 | ext4: zero i_disksize when initializing the bootloader inode | |
| CVE-2023-53102 | ice: xsk: disable txq irq before flushing hw | |
| CVE-2023-53090 | drm/amdkfd: Fix an illegal memory access | |
| CVE-2023-53092 | interconnect: exynos: fix node leak in probe PM QoS error path | |
| CVE-2023-53093 | tracing: Do not let histogram values have some modifiers | |
| CVE-2023-53091 | ext4: update s_journal_inum if it changes after journal replay | |
| CVE-2023-53094 | tty: serial: fsl_lpuart: fix race on RX DMA shutdown | |
| CVE-2023-53089 | ext4: fix task hung in ext4_xattr_delete_inode |
Showing top 20 of 107 CVEs. View all on vendor page → →
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-2023-53144
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