CVE-2023-52698— calipso: fix memory leak in netlbl_calipso_add_pass()
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I. Basic Information for CVE-2023-52698
Vulnerability Information
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Vulnerability Title
calipso: fix memory leak in netlbl_calipso_add_pass()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: calipso: fix memory leak in netlbl_calipso_add_pass() If IPv6 support is disabled at boot (ipv6.disable=1), the calipso_init() -> netlbl_calipso_ops_register() function isn't called, and the netlbl_calipso_ops_get() function always returns NULL. In this case, the netlbl_calipso_add_pass() function allocates memory for the doi_def variable but doesn't free it with the calipso_doi_free(). BUG: memory leak unreferenced object 0xffff888011d68180 (size 64): comm "syz-executor.1", pid 10746, jiffies 4295410986 (age 17.928s) hex dump (first 32 bytes): 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<...>] kmalloc include/linux/slab.h:552 [inline] [<...>] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline] [<...>] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111 [<...>] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739 [<...>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] [<...>] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800 [<...>] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515 [<...>] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811 [<...>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] [<...>] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339 [<...>] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934 [<...>] sock_sendmsg_nosec net/socket.c:651 [inline] [<...>] sock_sendmsg+0x157/0x190 net/socket.c:671 [<...>] ____sys_sendmsg+0x712/0x870 net/socket.c:2342 [<...>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396 [<...>] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429 [<...>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46 [<...>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with Syzkaller [PM: merged via the LSM tree at Jakub Kicinski request]
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netlbl_calipso_add_pass函数中存在内存泄漏。
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-2023-52698
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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-2026-43500
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-2023-52698
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