CVE-2022-50879— objtool: Fix SEGFAULT
Possible ATT&CK Techniques 2AI
T1203 · Exploitation for Client Execution T1499 · Endpoint Denial of ServiceAffected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 13810435b9a7014fb92eb715f77da488f3b65b99< 418ef921cce2d7415fab7e3e93529227f239e4bb | affected |
13810435b9a7014fb92eb715f77da488f3b65b99< 0af0e115ff59d638f45416a004cdd8edb38db40c | affected | ||
13810435b9a7014fb92eb715f77da488f3b65b99< 23a249b1185cdd5bfb6971d1608ba49e589f2288 | affected | ||
13810435b9a7014fb92eb715f77da488f3b65b99< 38b9415abbd703438ebbc6fb74990bd0fbddc5b9 | affected | ||
13810435b9a7014fb92eb715f77da488f3b65b99< fcee8a2d4db404a93e690d79e7273b6ef9d33575 | affected | ||
13810435b9a7014fb92eb715f77da488f3b65b99< efb11fdb3e1a9f694fa12b70b21e69e55ec59c36 | affected | ||
1f7f88aa4df593db34dd1d6345213f20888687fb | affected | ||
1bea53df12c47517b6e487e6fed34d0c05d42905 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2022-50879
Vulnerability Information
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Vulnerability Title
objtool: Fix SEGFAULT
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: objtool: Fix SEGFAULT find_insn() will return NULL in case of failure. Check insn in order to avoid a kernel Oops for NULL pointer dereference.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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，该漏洞源于未检查find_insn返回值，可能导致空指针取消引用。
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-2022-50879
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-50879 (6)
Same Patch Batch · Linux · 2025-12-30 · 244 CVEs total
| CVE-2023-54184 | 9.8 CRITICAL | scsi: target: iscsit: Free cmds before session free |
| CVE-2023-54223 | 9.8 CRITICAL | net/mlx5e: xsk: Fix invalid buffer access for legacy rq |
| CVE-2023-54237 | 9.8 CRITICAL | net/smc: fix potential panic dues to unprotected smc_llc_srv_add_link() |
| CVE-2023-54257 | 9.8 CRITICAL | net: macb: fix a memory corruption in extended buffer descriptor mode |
| CVE-2023-54258 | 9.8 CRITICAL | cifs: fix potential oops in cifs_oplock_break |
| CVE-2023-54269 | 9.8 CRITICAL | SUNRPC: double free xprt_ctxt while still in use |
| CVE-2023-54280 | 9.8 CRITICAL | cifs: fix potential race when tree connecting ipc |
| CVE-2023-54292 | 9.8 CRITICAL | RDMA/irdma: Fix data race on CQP request done |
| CVE-2023-54203 | 9.1 CRITICAL | ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr |
| CVE-2022-50880 | 8.8 HIGH | wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state() |
| CVE-2023-54262 | 8.8 HIGH | net/mlx5e: Don't clone flow post action attributes second time |
| CVE-2023-54214 | 8.8 HIGH | Bluetooth: L2CAP: Fix potential user-after-free |
| CVE-2023-54162 | 8.8 HIGH | ksmbd: fix possible memory leak in smb2_lock() |
| CVE-2023-54318 | 8.8 HIGH | net/smc: use smc_lgr_list.lock to protect smc_lgr_list.list iterate in smcr_port_add |
| CVE-2023-54250 | 8.2 HIGH | ksmbd: avoid out of bounds access in decode_preauth_ctxt() |
| CVE-2023-54164 | 8.0 HIGH | Bluetooth: ISO: fix iso_conn related locking and validity issues |
| CVE-2023-54206 | 7.8 HIGH | net/sched: flower: fix filter idr initialization |
| CVE-2023-54202 | 7.8 HIGH | drm/i915: fix race condition UAF in i915_perf_add_config_ioctl |
| CVE-2023-54210 | 7.8 HIGH | Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor() |
| CVE-2023-54243 | 7.8 HIGH | netfilter: ebtables: fix table blob use-after-free |
Showing top 20 of 244 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
Same vendor: Linux
- CVE-2026-74579
netfilter: nft_payload: fix mask build for partial field off - CVE-2026-74578
crypto: algif_skcipher - force synchronous processing on tre - CVE-2026-74577
net: mpls: initialize rtm_tos in mpls_getroute() - CVE-2026-74576
mm/slab: prevent unbounded recursion in free path with new k - CVE-2026-74574
dmaengine: idxd: fix fdev setup failure cleanup in idxd_cdev
V. Comments for CVE-2022-50879
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