{"id":"CVE-2022-49074","state":"PUBLISHED","title":"irqchip/gic-v3: Fix GICR_CTLR.RWP polling","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v3: Fix GICR_CTLR.RWP polling\n\nIt turns out that our polling of RWP is totally wrong when checking\nfor it in the redistributors, as we test the *distributor* bit index,\nwhereas it is a different bit number in the RDs... Oopsie boo.\n\nThis is embarassing. Not only because it is wrong, but also because\nit took *8 years* to notice the blunder...\n\nJust fix the damn thing.","publishedAt":"2025-02-26T01:54:38.290Z","updatedAt":"2026-05-11T18:52:31.360Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"c7daf1b4ad809692d5c26f33c02ed8a031066548","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"3c07cc242baf83f0bddbbd9d7945d0bee56d8b57","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"ff24114bb08d8b90edf2aff0a4fd0689523e6c17","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"7218a789abb3e033f5f3a85636ca50d9ae7b0fc9","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"60e1eb4811f53f5f60c788297d978515e7a2637a","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"6fef3e3179e6ed8fecdd004ede541674ffa7749d","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"0df6664531a12cdd8fc873f0cac0dcb40243d3e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-gic-v3.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-gic-v3.c"]}],"references":["https://git.kernel.org/stable/c/c7daf1b4ad809692d5c26f33c02ed8a031066548","https://git.kernel.org/stable/c/3c07cc242baf83f0bddbbd9d7945d0bee56d8b57","https://git.kernel.org/stable/c/ff24114bb08d8b90edf2aff0a4fd0689523e6c17","https://git.kernel.org/stable/c/7218a789abb3e033f5f3a85636ca50d9ae7b0fc9","https://git.kernel.org/stable/c/60e1eb4811f53f5f60c788297d978515e7a2637a","https://git.kernel.org/stable/c/6fef3e3179e6ed8fecdd004ede541674ffa7749d","https://git.kernel.org/stable/c/0df6664531a12cdd8fc873f0cac0dcb40243d3e9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49074.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49074","state":"PUBLISHED","datePublished":"2025-02-26T01:54:38.290Z","dateUpdated":"2026-05-11T18:52:31.360Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.245Z"},"containers":{"cna":{"title":"irqchip/gic-v3: Fix GICR_CTLR.RWP polling","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nirqchip/gic-v3: Fix GICR_CTLR.RWP polling\n\nIt turns out that our polling of RWP is totally wrong when checking\nfor it in the redistributors, as we test the *distributor* bit index,\nwhereas it is a different bit number in the RDs... Oopsie boo.\n\nThis is embarassing. Not only because it is wrong, but also because\nit took *8 years* to notice the blunder...\n\nJust fix the damn thing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"c7daf1b4ad809692d5c26f33c02ed8a031066548","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"3c07cc242baf83f0bddbbd9d7945d0bee56d8b57","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"ff24114bb08d8b90edf2aff0a4fd0689523e6c17","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"7218a789abb3e033f5f3a85636ca50d9ae7b0fc9","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"60e1eb4811f53f5f60c788297d978515e7a2637a","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"6fef3e3179e6ed8fecdd004ede541674ffa7749d","versionType":"git"},{"version":"021f653791ad17e03f98aaa7fb933816ae16f161","status":"affected","lessThan":"0df6664531a12cdd8fc873f0cac0dcb40243d3e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-gic-v3.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.17","versionType":"semver"},{"version":"4.19.238","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.189","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.111","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.34","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.20","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/irqchip/irq-gic-v3.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c7daf1b4ad809692d5c26f33c02ed8a031066548"},{"url":"https://git.kernel.org/stable/c/3c07cc242baf83f0bddbbd9d7945d0bee56d8b57"},{"url":"https://git.kernel.org/stable/c/ff24114bb08d8b90edf2aff0a4fd0689523e6c17"},{"url":"https://git.kernel.org/stable/c/7218a789abb3e033f5f3a85636ca50d9ae7b0fc9"},{"url":"https://git.kernel.org/stable/c/60e1eb4811f53f5f60c788297d978515e7a2637a"},{"url":"https://git.kernel.org/stable/c/6fef3e3179e6ed8fecdd004ede541674ffa7749d"},{"url":"https://git.kernel.org/stable/c/0df6664531a12cdd8fc873f0cac0dcb40243d3e9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:52:31.360Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"4.19.238"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.4.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.10.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.15.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.16.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.17","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}