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CVE-2026-46328— apparmor: fix rlimit for posix cpu timers

CVSS 7.3 · High EPSS 0.01% · P2

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxbaa73d9e478ff32d62f3f9422822b59dd9a95a21< e1cc11550b2f66687a374536c9dfdddcefca0efeaffected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 2232d7cd243833ad750cae656d1817fe43744a09affected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 28aa93fcfb33b6d580c5df4ae8b6d13fb0e6fcd3affected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 1f736dfe27c857b78f8461cd7c3dd9640be74b37affected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< e43818b16815c0c2bf933ef28316f8e704e5e0efaffected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 9bf1fa150775b0c6b794e4b6a2c0395e13777999affected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 57d51d41b90eface809b72e0e009b50546492f1faffected
baa73d9e478ff32d62f3f9422822b59dd9a95a21< 6ca56813f4a589f536adceb42882855d91fb1125affected
… +10 more rows
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I. Basic Information for CVE-2026-46328

Vulnerability Information
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Vulnerability Title
apparmor: fix rlimit for posix cpu timers
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix rlimit for posix cpu timers Posix cpu timers requires an additional step beyond setting the rlimit. Refactor the code so its clear when what code is setting the limit and conditionally update the posix cpu timers when appropriate.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
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apparmor模块对posix cpu定时器的rlimit处理不完整，可能导致资源限制设置不当。
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 baa73d9e478ff32d62f3f9422822b59dd9a95a21 ~ e1cc11550b2f66687a374536c9dfdddcefca0efe -
LinuxLinux 4.10 -

II. Public POCs for CVE-2026-46328

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III. Intelligence Information for CVE-2026-46328

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Patches & Fixes for CVE-2026-46328 (8)

Same Patch Batch · Linux · 2026-06-09 · 21 CVEs total

CVE-2026-463259.8 CRITICALRDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE
CVE-2026-463169.3 CRITICALKVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry
CVE-2026-463178.8 HIGHKVM: arm64: Reassign nested_mmus array behind mmu_lock
CVE-2026-463268.4 HIGHiio: pressure: mprls0025pa: fix spi_transfer struct initialisation
CVE-2026-463328.0 HIGHgreybus: gb-beagleplay: bound bootloader receive buffering
CVE-2026-529077.8 HIGHmedia: rockchip: rkcif: fix off by one bugs
CVE-2026-463197.8 HIGHnet/sched: act_ct: Only release RCU read lock after ct_ft
CVE-2026-463307.8 HIGHRevert "net/smc: Introduce TCP ULP support"
CVE-2026-463277.8 HIGHdm: fix unlocked test for dm_suspended_md
CVE-2026-463247.8 HIGHnetfilter: nf_tables: use list_del_rcu for netlink hooks
CVE-2026-463237.8 HIGHnet: gro: don't merge zcopy skbs
CVE-2026-529067.7 HIGH9p: fix access mode flags being ORed instead of replaced
CVE-2026-463207.4 HIGHtap: free page on error paths in tap_get_user_xdp()
CVE-2026-463227.1 HIGHtun: free page on build_skb failure in tun_xdp_one()
CVE-2026-463217.1 HIGHtun: free page on short-frame rejection in tun_xdp_one()
CVE-2026-46329erofs: handle end of filesystem properly for file-backed mounts
CVE-2026-46318Revert "mm/hugetlbfs: update hugetlbfs to use mmap_prepare"
CVE-2026-52904drm/nouveau: fix nvkm_device leak on aperture removal failure
CVE-2026-52905mm/damon/core: disallow non-power of two min_region_sz on damon_start()
CVE-2026-46315io_uring/waitid: clear waitid info before copying it to userspace

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46328

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