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CVE-2022-49811— drbd: use after free in drbd_create_device()

EPSS 0.05% · P16

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinuxb6f85ef9538b2111a8ba0bbfae9aaebabfc94961< fc1897f16ebcfd22364f2afcc27f53a740f3bc7aaffected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1affected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< 813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5affected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< 9ed51414aef6e59e832e2960f10766dce2d5b1a1affected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< 7d93417d596402ddd46bd76c721f205d09d0d025affected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< c2a00b149836d60c222930bbea6b2139caf34d4faffected
b6f85ef9538b2111a8ba0bbfae9aaebabfc94961< a7a1598189228b5007369a9622ccdf587be0730faffected
3.15affected
… +8 more rows
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I. Basic Information for CVE-2022-49811

Vulnerability Information
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Vulnerability Title
drbd: use after free in drbd_create_device()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.
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drbd设备创建中使用已释放连接，可能导致内存损坏。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 ~ fc1897f16ebcfd22364f2afcc27f53a740f3bc7a -
LinuxLinux 3.15 -

II. Public POCs for CVE-2022-49811

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III. Intelligence Information for CVE-2022-49811

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Patch · 7

Same Patch Batch · Linux · 2025-05-01 · 245 CVEs total

CVE-2022-49854mctp: Fix an error handling path in mctp_init()
CVE-2022-49837bpf: Fix memory leaks in __check_func_call
CVE-2022-49838sctp: clear out_curr if all frag chunks of current msg are pruned
CVE-2022-49840bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()
CVE-2022-49839scsi: scsi_transport_sas: Fix error handling in sas_phy_add()
CVE-2022-49841serial: imx: Add missing .thaw_noirq hook
CVE-2022-49842ASoC: core: Fix use-after-free in snd_soc_exit()
CVE-2022-49844can: dev: fix skb drop check
CVE-2022-49845can: j1939: j1939_send_one(): fix missing CAN header initialization
CVE-2022-49846udf: Fix a slab-out-of-bounds write bug in udf_find_entry()
CVE-2022-49847net: ethernet: ti: am65-cpsw: Fix segmentation fault at module unload
CVE-2022-49849btrfs: fix match incorrectly in dev_args_match_device
CVE-2022-49848phy: qcom-qmp-combo: fix NULL-deref on runtime resume
CVE-2022-49850nilfs2: fix deadlock in nilfs_count_free_blocks()
CVE-2022-49851riscv: fix reserved memory setup
CVE-2022-49852riscv: process: fix kernel info leakage
CVE-2022-49862tipc: fix the msg->req tlv len check in tipc_nl_compat_name_table_dump_header
CVE-2022-49864drm/amdkfd: Fix NULL pointer dereference in svm_migrate_to_ram()
CVE-2022-49865ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network
CVE-2022-49863can: af_can: fix NULL pointer dereference in can_rx_register()

Showing top 20 of 245 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49811

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