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CVE-2022-50504— powerpc/rtas: avoid scheduling in rtas_os_term()

AI Predicted 5.0 Difficulty: Theoretical EPSS 0.15% · P5

Possible ATT&CK Techniques 1AI

T1003 · OS Credential Dumping

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux507279db1819aacf4022e790b3fc8bc8cf56debf< f413135b337c4e90c1e593c6613f8717e17bc724affected
507279db1819aacf4022e790b3fc8bc8cf56debf< 4768935b8cc2d2afeb7956292df0f6e2c49ca0a5affected
507279db1819aacf4022e790b3fc8bc8cf56debf< ffa991a003abb4f8cb9e5004646bfe2d9a46912caffected
507279db1819aacf4022e790b3fc8bc8cf56debf< 515959eb49e6d218a46979d66f36fdef329ac7d2affected
507279db1819aacf4022e790b3fc8bc8cf56debf< 6f7e2fcab73372a371ab4017cbedf7a71f4f9b40affected
507279db1819aacf4022e790b3fc8bc8cf56debf< 7280fdb80bf0fe35d9b799fc7009f2cbe0a397d7affected
507279db1819aacf4022e790b3fc8bc8cf56debf< bed48651c87bef59ea1a9d6dbc381bcbc452f4ffaffected
507279db1819aacf4022e790b3fc8bc8cf56debf< 482d990a5dd1027ee0b70a8a570d56749cac8103affected
… +12 more rows
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I. Basic Information for CVE-2022-50504

Vulnerability Information
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Vulnerability Title
powerpc/rtas: avoid scheduling in rtas_os_term()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: avoid scheduling in rtas_os_term() It's unsafe to use rtas_busy_delay() to handle a busy status from the ibm,os-term RTAS function in rtas_os_term(): Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b BUG: sleeping function called from invalid context at arch/powerpc/kernel/rtas.c:618 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0 preempt_count: 2, expected: 0 CPU: 7 PID: 1 Comm: swapper/0 Tainted: G D 6.0.0-rc5-02182-gf8553a572277-dirty #9 Call Trace: [c000000007b8f000] [c000000001337110] dump_stack_lvl+0xb4/0x110 (unreliable) [c000000007b8f040] [c0000000002440e4] __might_resched+0x394/0x3c0 [c000000007b8f0e0] [c00000000004f680] rtas_busy_delay+0x120/0x1b0 [c000000007b8f100] [c000000000052d04] rtas_os_term+0xb8/0xf4 [c000000007b8f180] [c0000000001150fc] pseries_panic+0x50/0x68 [c000000007b8f1f0] [c000000000036354] ppc_panic_platform_handler+0x34/0x50 [c000000007b8f210] [c0000000002303c4] notifier_call_chain+0xd4/0x1c0 [c000000007b8f2b0] [c0000000002306cc] atomic_notifier_call_chain+0xac/0x1c0 [c000000007b8f2f0] [c0000000001d62b8] panic+0x228/0x4d0 [c000000007b8f390] [c0000000001e573c] do_exit+0x140c/0x1420 [c000000007b8f480] [c0000000001e586c] make_task_dead+0xdc/0x200 Use rtas_busy_delay_time() instead, which signals without side effects whether to attempt the ibm,os-term RTAS call again.
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rtas_os_term函数中不当使用rtas_busy_delay处理繁忙状态，可能导致内核恐慌。
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 507279db1819aacf4022e790b3fc8bc8cf56debf ~ f413135b337c4e90c1e593c6613f8717e17bc724 -
LinuxLinux 2.6.18 -

II. Public POCs for CVE-2022-50504

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III. Intelligence Information for CVE-2022-50504

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Patches & Fixes for CVE-2022-50504 (9)

Same Patch Batch · Linux · 2025-10-04 · 144 CVEs total

CVE-2025-399329.8 CRITICALsmb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work)
CVE-2025-399489.8 CRITICALice: fix Rx page leak on multi-buffer frames
CVE-2025-399469.8 CRITICALtls: make sure to abort the stream if headers are bogus
CVE-2025-399339.4 CRITICALsmb: client: let recv_done verify data_offset, data_length and remaining_data_length
CVE-2025-399439.4 CRITICALksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer
CVE-2023-536009.1 CRITICALtunnels: fix kasan splat when generating ipv4 pmtu error
CVE-2023-536158.8 HIGHscsi: qla2xxx: Fix deletion race condition
CVE-2025-399528.8 HIGHwifi: wilc1000: avoid buffer overflow in WID string configuration
CVE-2023-535898.8 HIGHwifi: iwlwifi: mvm: don't trust firmware n_channels
CVE-2023-535868.8 HIGHscsi: target: Fix multiple LUN_RESET handling
CVE-2022-504938.8 HIGHscsi: qla2xxx: Fix crash when I/O abort times out
CVE-2023-535988.4 HIGHbus: mhi: host: Range check CHDBOFF and ERDBOFF
CVE-2023-535667.8 HIGHnetfilter: nft_set_rbtree: fix null deref on element insertion
CVE-2023-535367.8 HIGHblk-crypto: make blk_crypto_evict_key() more robust
CVE-2023-535607.8 HIGHtracing/histograms: Add histograms to hist_vars if they have referenced variables
CVE-2023-535597.8 HIGHip_vti: fix potential slab-use-after-free in decode_session6
CVE-2023-535577.8 HIGHfprobe: Release rethook after the ftrace_ops is unregistered
CVE-2023-535377.8 HIGHf2fs: fix to avoid use-after-free for cached IPU bio
CVE-2023-535397.8 HIGHRDMA/rxe: Fix incomplete state save in rxe_requester
CVE-2023-535457.8 HIGHdrm/amdgpu: unmap and remove csa_va properly

Showing top 20 of 144 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50504

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