{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2022-50341 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2022-50341 is a high-severity vulnerability in Linux kernel, published on 16 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2022-50341 and fix it if it is affected.\n\nWhat it is: CVE-2022-50341 is a high-severity vulnerability in Linux kernel, published on 16 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2022-50341 in the wild and no public exploit code.\n\nAffected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2022-50341/ (Markdown: https://insights.sbomify.com/CVE-2022-50341/index.md)","id":"CVE-2022-50341","markdown":"https://insights.sbomify.com/CVE-2022-50341/index.md","name":"CVE-2022-50341","record":{"aliases":["DEBIAN-CVE-2022-50341","GHSA-frfp-g383-4xwm","UBUNTU-CVE-2022-50341"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":false,"product_category":"Linux kernel CIFS","requires_auth":"low_privilege","summary":"A null pointer dereference in the Linux kernel CIFS module during encryption operations can cause a system crash, leading to denial of service.","user_interaction":"not_required","vuln_class":"null_dereference"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":7.8,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix oops during encryption\n\nWhen running xfstests against Azure the following oops occurred on an\narm64 system\n\n  Unable to handle kernel write to read-only memory at virtual address\n  ffff0001221cf000\n  Mem abort info:\n    ESR = 0x9600004f\n    EC = 0x25: DABT (current EL), IL = 32 bits\n    SET = 0, FnV = 0\n    EA = 0, S1PTW = 0\n    FSC = 0x0f: level 3 permission fault\n  Data abort info:\n    ISV = 0, ISS = 0x0000004f\n    CM = 0, WnR = 1\n  swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000294f3000\n  [ffff0001221cf000] pgd=18000001ffff8003, p4d=18000001ffff8003,\n  pud=18000001ff82e003, pmd=18000001ff71d003, pte=00600001221cf787\n  Internal error: Oops: 9600004f [#1] PREEMPT SMP\n  ...\n  pstate: 80000005 (Nzcv daif -PAN -UAO -TCO BTYPE=--)\n  pc : __memcpy+0x40/0x230\n  lr : scatterwalk_copychunks+0xe0/0x200\n  sp : ffff800014e92de0\n  x29: ffff800014e92de0 x28: ffff000114f9de80 x27: 0000000000000008\n  x26: 0000000000000008 x25: ffff800014e92e78 x24: 0000000000000008\n  x23: 0000000000000001 x22: 0000040000000000 x21: ffff000000000000\n  x20: 0000000000000001 x19: ffff0001037c4488 x18: 0000000000000014\n  x17: 235e1c0d6efa9661 x16: a435f9576b6edd6c x15: 0000000000000058\n  x14: 0000000000000001 x13: 0000000000000008 x12: ffff000114f2e590\n  x11: ffffffffffffffff x10: 0000040000000000 x9 : ffff8000105c3580\n  x8 : 2e9413b10000001a x7 : 534b4410fb86b005 x6 : 534b4410fb86b005\n  x5 : ffff0001221cf008 x4 : ffff0001037c4490 x3 : 0000000000000001\n  x2 : 0000000000000008 x1 : ffff0001037c4488 x0 : ffff0001221cf000\n  Call trace:\n   __memcpy+0x40/0x230\n   scatterwalk_map_and_copy+0x98/0x100\n   crypto_ccm_encrypt+0x150/0x180\n   crypto_aead_encrypt+0x2c/0x40\n   crypt_message+0x750/0x880\n   smb3_init_transform_rq+0x298/0x340\n   smb_send_rqst.part.11+0xd8/0x180\n   smb_send_rqst+0x3c/0x100\n   compound_send_recv+0x534/0xbc0\n   smb2_query_info_compound+0x32c/0x440\n   smb2_set_ea+0x438/0x4c0\n   cifs_xattr_set+0x5d4/0x7c0\n\nThis is because in scatterwalk_copychunks(), we attempted to write to\na buffer (@sign) that was allocated in the stack (vmalloc area) by\ncrypt_message() and thus accessing its remaining 8 (x2) bytes ended up\ncrossing a page boundary.\n\nTo simply fix it, we could just pass @sign kmalloc'd from\ncrypt_message() and then we're done.  Luckily, we don't seem to pass\nany other vmalloc'd buffers in smb_rqst::rq_iov...\n\nInstead, let's map the correct pages and offsets from vmalloc buffers\nas well in cifs_sg_set_buf() and then avoiding such oopses.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"cifs: fix oops during encryption","id":"CVE-2022-50341","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"null_dereference","year":"2022"},"n_packages":0,"n_references":6,"next":{"headline":"floppy: Fix memory leak in do_floppy_init()","id":"CVE-2022-50342"},"packages":[],"prev":{"headline":"media: vimc: Fix wrong function called when vimc_init() fails","id":"CVE-2022-50340"},"products":["Linux"],"published":"2025-09-16","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-05","vendors":["Linux"]},"summary":"A null pointer dereference in the Linux kernel CIFS module during encryption operations can cause a system crash, leading to denial of service.","url":"https://insights.sbomify.com/CVE-2022-50341/"}