CVE-2023-53078— scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
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I. Basic Information for CVE-2023-53078
Vulnerability Information
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Vulnerability Title
scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate() If alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not freed, which will cause following memleak: unreferenced object 0xffff88810b2c6980 (size 32): comm "kworker/u16:2", pid 635322, jiffies 4355801099 (age 1216426.076s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff @9$............. backtrace: [<0000000098f3a26d>] alua_activate+0xb0/0x320 [<000000003b529641>] scsi_dh_activate+0xb2/0x140 [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath] [<000000007adc9ace>] process_one_work+0x3c5/0x730 [<00000000c457a985>] worker_thread+0x93/0x650 [<00000000cb80e628>] kthread+0x1ba/0x210 [<00000000a1e61077>] ret_from_fork+0x22/0x30 Fix the problem by freeing 'qdata' in error path.
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alua_activate在错误路径中未释放qdata内存。
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-2023-53078
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Same Patch Batch · Linux · 2025-05-02 · 107 CVEs total
| CVE-2023-53102 | ice: xsk: disable txq irq before flushing hw | |
| CVE-2023-53115 | scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc() | |
| 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-2023-53091 | 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-2023-53092 | interconnect: exynos: fix node leak in probe PM QoS error path | |
| CVE-2023-53093 | tracing: Do not let histogram values have some modifiers | |
| CVE-2023-53095 | drm/ttm: Fix a NULL pointer dereference | |
| CVE-2023-53090 | drm/amdkfd: Fix an illegal memory access |
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-2023-53078
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