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CVE-2024-50152— smb: client: fix possible double free in smb2_set_ea()

EPSS 0.02% · P4
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I. Basic Information for CVE-2024-50152

Vulnerability Information
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Vulnerability Title
smb: client: fix possible double free in smb2_set_ea()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix possible double free in smb2_set_ea() Clang static checker(scan-build) warning： fs/smb/client/smb2ops.c:1304:2: Attempt to free released memory. 1304 | kfree(ea); | ^~~~~~~~~ There is a double free in such case: 'ea is initialized to NULL' -> 'first successful memory allocation for ea' -> 'something failed, goto sea_exit' -> 'first memory release for ea' -> 'goto replay_again' -> 'second goto sea_exit before allocate memory for ea' -> 'second memory release for ea resulted in double free'. Re-initialie 'ea' to NULL near to the replay_again label, it can fix this double free problem.
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，该漏洞源于存在内存双重释放问题。
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 433042a91f9373241307725b52de573933ffedbf ~ b1813c220b76f60b1727984794377c4aa849d4c1 -
LinuxLinux 6.8 -

II. Public POCs for CVE-2024-50152

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III. Intelligence Information for CVE-2024-50152

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Same Patch Batch · Linux · 2024-11-07 · 34 CVEs total

CVE-2024-50165bpf: Preserve param->string when parsing mount options
CVE-2024-50157RDMA/bnxt_re: Avoid CPU lockups due fifo occupancy check loop
CVE-2024-50158RDMA/bnxt_re: Fix out of bound check
CVE-2024-50159firmware: arm_scmi: Fix the double free in scmi_debugfs_common_setup()
CVE-2024-50160ALSA: hda/cs8409: Fix possible NULL dereference
CVE-2024-50161bpf: Check the remaining info_cnt before repeating btf fields
CVE-2024-50162bpf: devmap: provide rxq after redirect
CVE-2024-50163bpf: Make sure internal and UAPI bpf_redirect flags don't overlap
CVE-2024-50164bpf: Fix overloading of MEM_UNINIT's meaning
CVE-2024-50156drm/msm: Avoid NULL dereference in msm_disp_state_print_regs()
CVE-2024-50166fsl/fman: Fix refcount handling of fman-related devices
CVE-2024-50167be2net: fix potential memory leak in be_xmit()
CVE-2024-50168net/sun3_82586: fix potential memory leak in sun3_82586_send_packet()
CVE-2024-50169vsock: Update rx_bytes on read_skb()
CVE-2024-50170net: bcmasp: fix potential memory leak in bcmasp_xmit()
CVE-2024-50171net: systemport: fix potential memory leak in bcm_sysport_xmit()
CVE-2024-50172RDMA/bnxt_re: Fix a possible memory leak
CVE-2024-50139KVM: arm64: Fix shift-out-of-bounds bug
CVE-2024-50155netdevsim: use cond_resched() in nsim_dev_trap_report_work()
CVE-2024-50154tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink().

Showing top 20 of 34 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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